Precision - Meaning, Important Reminders, Accuracy and Precision Difference

Without measures, our day-to-day activities would be incomplete. Measurements necessitate the use of tools, both traditional and unorthodox, and different individuals may obtain different findings from the same instrument. As a result, measurements of a value can be either exact or accurate. The accuracy of any measured value relates to how near it is to the real value. Precision refers to how closely the different measured values are related.

About Precision

The proximity of a value to its real value, such as the closeness of an arrow to the bull's eye in the center, is characterized as accuracy. That's the bull's eye: accurate is correct. The repeatability of the values of a measurement, such as the proximity of additional arrows to the first, is characterized as precise. Precise means striking the same area over and over, although that spot may not be the exact one.

Let's look at some examples to understand this better. 3.1459265359 is the value of pi. Now, 3.14 is a number that is used to symbolize the value of pi. It is not exact, but it is near. No other three-digit number comes close to the objective.

Accuracy	Precision
The degree to which a value is accurate or truthful.	The precision with which the results acquired each time is calculated.
The degree to which the measured value is similar to a standard or genuine value.	The degree to which two or more measured values are similar.
Only one measurement	Several measurements
It must be exact for anything to be accurate constantly.	Precision is not the same as accuracy.

Out-of-the-Box Thinking!

In the following situations, determine if the measurements are accurate or precise:

When, neither the bull's eye nor the darts are near one other.
When all of the darts land close together yet far away from the target.
When the darts land close together and near to the bull's eye.

Important Reminders

Let's have a look at some key points about accurate versus precise:

The accuracy of a value refers to how near it is to its true/actual value.
Precision is defined as the consistency or repeatability of values.
The accuracy or precision of a measurement value is measured using percent error (the ratio of the error to the actual value multiplied by 100).

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Important Topics

Accuracy Precision and Error in Measurement Ampere Amplitude Modulation

Anemometer : Measurement of Wind Speed

Angular Acceleration Atomic Theory Audible and Inaudible Sound Average Speed and Average Velocity Average Velocity Avogadros Number Avogadros Hypothesis Azimuthal Quantum Number Balanced Force Bar Magnet Biconvex Lens Boyles Law Buoyancy Calorimeter Carnot Engine Celestial Bodies Centripetal And Centrifugal Force Concave and Convex Lenses Concave Convex Mirrors Contact and Non Contact Force Controlled Thermonuclear Fusion Convection Currents Convex Lens Convex Mirror Destructive Interference Difference Between Conduction Convection and Radiation Difference Between Electric Field and Magnetic Field Difference Between Heat And Temperature Difference Between Series And Parallel Circuits Differences Between Acceleration And Velocity Distance and Displacement Distance Time Graph Electrical Force : Electric Forces and Their Types Electromagnetic Waves : Definition, Equation and Properties of Electromagnetic Waves Electromagnetism Electron Spin Fluid Flow : Bernoullis Equation Derivation and Fluid Mechanics Fluid Friction : Types and Factors of Fluid Friction Frames of Reference : Inertial and Non- Inertial Frame of Reference Frequency and Wavelength Frictional Force Importance of Hydrosphere Instantaneous Speed and Velocity Introduction to Motion Kinetic and Potential Energy Difference Law Of Conservation of Energy Layers of the Earth Light Energy Light Sources List of physics scientists and Their inventions

Loudness of Sound

Magnetic Dipole Moment Magnetic Field Non - Contact Force Non - Renewable Energy Ohms Law Optics P Wave Physics Symbols Plane Mirrors Poissons Ratio Projectile Motion Properties of Water : Anomalous Expansion of Water Radius of Gyration Reflection of Light Reflection of Waves Relative Density Resonance Reverberation Rolling Friction Rotation and Revolution Screw Gauge Semiconductors and Insulators Sliding Friction Speed Time Graphs Static Friction Stefan Boltzmann Law Stress Tension Tension Force Thermometer: Clinical Laboratory Thermometer Types of Rocks Types of Waves Uniform Motion and Non Uniform Motion Unit of Voltage Uses of Convex Lens Uses Of Convex Mirror Uses of Electromagnet Uses of Optical Fibre Wave Wavelength of Light What is Scattering of Light Working of Electric Bell Conventional and Non-conventional Sources of Energy Buoyant Force Bulk Modulus of Elasticity Bernoulli’s Principle Angular Momentum Difference Between Speed And Velocity Force

Unit of Heat

Difference between Distance and Displacement Simple Microscope Derivation Of Equation Of Motion Thermometer: Clinical & Laboratory Thermometer Difference between Concave and Convex Lens

Derivation Of Lens Maker Formula

Unit Of Pressure Velocity Uses of Plane Mirror

Wave Theory of Light

Unit of Density Unit of Light Unit of Force Unit of Magnetic Field Unit of wavelength Unit of Viscosity Uses of Electroplating Young's Modulus

What is the Scattering of Light

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Alpha Decay1

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Biogas Energy

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Resistor

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Sea Breeze and Land Breeze

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White Light

Optical Fiber

Relative Speed

Unit of Work

Coefficient of Viscosity

Neutrons, Isotopes, Isotones And Isobars

Electric Circuit

Difference Between Scalar and Vector

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Unit of Velocity

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Permittivity and Permeability

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Shearing Stress

Value of Gravitational Constant

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Banking of Road

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Capacitor Types

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Disaccharides

Discovery of Protons and Neutrons Distillation Effects of Burning Fossil Fuels Electromeric Effect Electron Configuration Electronic Configuration of First 30 Elements Electronic Configuration of Iron Electroplating Process Endothermic Reaction Enthalpy Change Enzyme Catalysis Ester Ester Hydrolysis Ethanoic Acid Exothermic Reaction Filtration Fuel Types Functions of Nucleic Acids Glycerin Glycine Structure Glycogen Gravimetric Analysis Group 17 Trends Properties Heat Capacity Cp Cv Relation Heavy Water Homogeneous Mixture and Heterogeneous Mixture Hunds Rule Hybridization Hydrochloric Acid Hydrogen Peroxide Introduction: Importance of Forest IR Spectroscopy Iron Krypton Lewis Dot Structures Metallic Bonds Metals and Nonmetals Methanol Mineral Resources Mixtures Modern Periodic Table and Its Significance Mole Concept Monosaccharides NaHCO3 Natural Polymers Neutralization Reaction Non Metals Oxalic Acid Oxygen

Periodic Table Elements

Periodic Trends in Properties of Elements Pesticides Phenol Preparation Phosphoric Acid

Physical and Chemical Properties of Carbon

Physical And Chemical Properties of Water Physical Change and Chemical Change Polarity Polymers Uses Polyvinyl Alcohol Positron Potassium Potassium Dichromate - Formula, Properties and Uses Potassium Permanganate Precipitation Reaction Preparation of Benzene Preparation Properties and uses of Sodium Chloride Properties of Boron Family Properties of Solution Redox Titration Relation Between Normality And Molarity Rusting Iron Prevention

Rutherford Atomic Model

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Synthetic Polymers

Tollens Test Toluene Transition Metals Tyndall Effect Types of Organic Reactions Types of Solutions Types of Titration - Acid Base Titration Unsaturated Solutions Ununoctium Ununpentium Uses of Acetone Uses of Air Uses of Bauxite Uses of Carboxylic Acid Uses of Coal Uses of Ethers Health In Care Industry Uses of Formaldehyde Uses of Graphite Uses of Methanol and Ethanol Uses of Minerals Uses Of Nitric Acid Uses of Phenol Uses of Propanol Uses of Sulfuric Acid Uses of Water Valence Bond Theory Volumetric Analysis Waste

Water Cycle Process

What is Dipole Moment? What is Eutrophication? What is Metallurgy? Wurtz Reaction Mohr’s Salt Titration with KMnO4

Gattermann Reaction

Benzene Brown Ring Test Calcium Carbonate Cotton and its Various Uses Difference between Petrol and Diesel Engine Difference between Sigma and Pi Bond Element-Manganese (Mn) Friedel Crafts Reaction Hofmann Elimination Isomerism Laws of Chemical Combination

Mannich Reaction

Methods of separation Molisch’s Test Name Reactions NMR Spectroscopy Non – Aqueous Titration Ozonolysis Mechanism – Ozonolysis of Alkenes and Alkynes Periodic Classification of Elements Pinacol Pinacolone Rearrangement Planck’s Quantum Theory Pseudo First Order Reaction Rosenmund Reduction Mechanism Salt Analysis Saponification Science in Everyday life and Its Importance Sericulture: Rearing of Silkworm to Produce Silk Spectrophotometer Principle Zone Refining

Reactivity Series

Difference between isotropic and anisotropic

Introduction to p-Block elements

Plant fibres

Inert Gases: Uses

Benzoin Condensation

Difference between primary cell and secondary cell

Partition Chromatography

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Displacement Reactions

Handpicking

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Acid Rain

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SN2 Reaction Mechanism

Complexometric Titration

markovnikov rule

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Electrode

Valency Chart

Order of Reaction

Band Theory

Difference Between Rusting and Corrosion

Potentiometric Titration

Frenkel Defect

Deforestation

Stephen Reaction Mechanism

Gattermann – Koch Reaction Mechanism

Electronegativity

Industrial Waste: Types

Ethylene

Charge to Mass Ratio of an Electron

Fehling Solution

Photochemical Reactions

Difference Between Endpoint and Equivalence Point

Second Order Reaction

Etard Reaction

Forms of water

Preparation of Acetanilide

Metallic Minerals and Non-Metallic Minerals

Ferric Chloride Henry's Law Preparation of Mohr's salt

Schottky Defect

Claisen rearrangement

Calcium sulphate

Sodium carbonate

Rubber

Ethyl acetate

Conductometric Titration

Resorcinol

Difference Between Evaporation and Condensation

States of Matter

Boric Acid

Types of Minerals

Finkelstein Reaction

Electronegativity Chart

Difference between Solid, Liquid and Gas in tabular form

Aromaticity

Drawbacks of Rutherford's Atomic Model

Thermosetting Polymers

Preparation of Alkanes

Examples of Bases

Suzuki Coupling Reaction

Standard Electrode Potential

Disadvantages of Plastics

Reducing Agent

Van't Hoff Factor

Hard Water and Soft Water

Organometallic compounds

Gay Lussac's Law

Slaked Lime

Borax

Tetravalency of Carbon

Boyle's Law

Ellingham Diagram

Crystal Defects : Point Defects

HVZ Reaction (Hell-Volhard-Zelinsky Reaction)

Classification of Drugs

Preparation of Sulfuric Acid

Lucas test

Xenon Difluoride

Bravais Lattice

Classification of Oxides

Elimination Reaction

preparation of polythene, Teflon and polyacrylonitrile

Difference between cations and anions

Uses of Limestone

Fructose

Azeotropes

Lewis Acid and Base

Emulsification

Dielectric properties of solids

Zwitterion

Birch Reduction Mechanism

Oxidation and Reduction

Electrophilic Substitution Reaction

Suspensions

Aromatic Compounds

Ores and Minerals

Adsorption theory of heterogeneous catalysis

Wittig Reaction

Difference between evaporation and boiling

Intensive And Extensive Properties Of Matter

Electronic Configuration of Group 16 Elements

Difference Between Elements and Atoms

Sodium Oxide

Gypsum

Difference Between Alloy and Composite

Chemical Equations

Thorium

Lead Acid Battery

Isotopes of Hydrogen

Figure Rules

Electrophilic Addition Reactions Of Alkenes

Isothermal Expansion of an Ideal Gas

Potassium Chloride - KCl

Aluminum Oxide

Difference Between Acetic Acid and Glacial Acetic Acid

Difference Between Polar and Nonpolar

Difference Between Baking Powder and Baking Soda

Test for Phenolic group

To prepare colloidal solution of starch

Uses of Mica

Pi Bonds

Potassium Chlorate

Schmidt Reaction

High density Polyethylene

Huckel's Rule

Discovery of Proton

Aluminium Ore: Extraction of Aluminium

Benzene Hexachloride

Caustic Potash or Potasium Hydroxide

Electromagnetic Radiation - Wave Nature

Atomic Number and Mass Number, Isotopes and Isobars

Preparation of Potash Alum

Beckmann Rearrangement

Heterogeneous Equilibrium

Butane

Factors Affecting Electrolytic Conductance

Scandium

Homogeneous Equilibrium

Phenols Nomenclcature

Galvanic Corrosion

Chlorine Trifluoride

Robinson Annulation

Copper

Pyridine Silver Carbonate Harmful Effects of Radiation

Water

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Area of Triangle

Area Segment Circle

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Circumcenter of a Triangle

Cm to inch converter

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Surface Area of a Sphere

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General Equation of a Line

Factors of 100 Factors of a Number

Multiplicative Inverse

Linear Differential Equations

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Comparing Quantities using Percentage

Fractional Part Function Definition of Signum function Trigonometric Functions Ellipse Integration By Parts Sets Matrix Types of Sets Bijective Functions Algebra of Functions Composite Functions Binary Operations Domain Codomain & Range Functions Parametric Equation of a Circle Venn Diagram Tangent to a Circle Binomial Theorem L'Hospital Rule Relations Operation on Sets Particular Cases of a Circle Terms Related to an Ellipse Equality of Matrices Reflexive, Symmetric & Equivalence Relation Types of Functions Matrix Multiplication Tangents to an Ellipse Inverse Trigonometric Functions

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Macromolecule Meiosis 1 Stages and Process Mendelian Disorders Microbodies Modern Synthetic Theory of Evolution Monera Nephron Function Renal Tubules Nuclear Membrane Nucleolus Nucleus Our Environment Parasitism Parts of Plants Passive Transport Plant Cell Plant Kingdom Plantae Plant Respiration Plants Plastids Protista Red Data Book Reproductive System of Earthworm Ribosomes Scientific Names of Animals and Plants Seed germination Sensory Perception Snail Skeletal System Spermatogenesis Structure Of Eye Taxonomic Hierarchy Taxonomy Algae Thallophyte

Types of Soil

Vacuoles What Is Adaptation Agricultural Practices Animal Kingdom Alimentary Canal Coelenterata Conservation of Forest and Wildlife Difference between Endosmosis and Exosmosis Difference between Afforestation and Deforestation Difference between Algae and Fungi Difference between Cereals and Pulses Difference Between Fragmentation and Regeneration Difference Between Neurosis and Psychosis Difference Between Nucleotide and Nucleoside

Difference Between Sea and Ocean

Difference Between Turtles and Tortoises

Difference Between Wildlife Sanctuary and National Park

Modes of Plant Reproduction

Ecological Pyramid and Its Types

Double Fertilization in Angiosperms

Ecosystem Enzymes

Fertilisation in Plants

Five Kingdoms Classification

Ganongs Potometer

Health and Hygiene

Herbivores and Carnivores

Heterotrophic Nutrition Human Digestive System

Vertebrates and Invertebrates

Morphology of Leaves

Modifications of Root

Phylum Aschelminthes

Diffusion

Osmosis

Prokaryotic Cells

Reproduction

Flora And Fauna

Overview of Food Chain

Difference Between Rabi And Kharif Crops

Vegetative Propagation Angiosperms Characteristics Soil Profile

Types of Pollution

Human Excretory System Sense Organs Rainwater Harvesting

Prokaryotic And Eukaryotic Cells

Living And Non Living Things

The Nucleus

Irrigation

Endoplasmic Reticulum

Between Data And Information

Mitochondria

Nitrogen Cycle

Diagram of Animal Cell

Meristematic Tissue

Law of Segregation Law of Dominance

Eukaryotic Cells

Sources Animal Plant Products

Photosynthesis Respiration Ozone Layer Depletion Kingdom Fungi Aerobic Anaerobic Respiration Cell Organelles Peristalsis Bacteria Oogenesis

Leaves Morphology Types Modification

Mitosis and Meiosis

How Do Organisms Reproduce

Diagram of Stomata

Monohybrid Cross Inheritance One Gene Mechanism of Breathing

Soil Erosion

Plasmolysis

Urine Formation Osmoregulation

Porifera

Flagella

Amoeba

Aerobic Respiration

Pteridophyta

Arteries And Veins Difference

Reflex Action

Stomata

Cell Wall

Diagram of Neuron

A Guide To Composition And Function Of Lymph

Difference Between Ligaments And Tendons

Insectivorous Plants

Nutrition Modes Living Organisms

Mendel Laws Of Inheritance

Nutrition In Amoeba

Calorific Value

Air Pollution Control

Fertilization In Plants

Binary Fission

Omnivores

Saprophytes

Asexual Reproduction

Deficiency Diseases

Light Reaction Vs Dark Reaction

Global Warming

Wildlife Sanctuary

Viviparous Oviparous Embryo Development

Food Preservation Methods Food Poisoning

Crops

Biofertilizers

Biodiversity Conservation

Difference Between Endocrine And Exocrine Glands

Greenhouse Effect Gases

Diagram Of Digestive System

Crop Production And Management

Types Of Pollination

Introduction and Characteristics of Living Beings Meristematic Cells Taxonomical Aids _Flora, Manual, Monograph And Catalogues Types of leaves structure of skeletal muscle spirometry human respiratory system herbarium dinoflagellates general characters and structure of leaf halophiles and their features Exchange of Gases Simple Permanent tissue Morphology of root and its types Complex permanent tissues Regions of Root History of classification and its need Breathing And Exchange Of Gases Transport of Gases Regulation of Respiration Disorders of Respiratory System Interaction of Haemoglobin with Other Gases Amniocentesis Anatomy of flowering plants ASSISTED REPRODUCTIVE TECHNOLOGIES (ARTs) Meristematic Cells Phloems Population explosion Reproductive Health RCH (Reproductive and Child Health Care) Medical termination of Pregnancy (MTP) Plant kingdom Biological Systems of Classification & Branches of Taxonomy Pteridophytes Gymnosperms Angiosperms Life cycle Patterns Anatomy of Roots Contraceptives Anatomy of stem Algae Bryophytes Tissues and its types STDs (Sexually Transmitted Diseases) Cell - The Basic Unit of Life & its Historical background Cell theory and its modification An Overview of Cell Secondary growth in dicot stem Tissue system and types Prokaryotic (Bacterial) cell Ribosomes Eukaryotic cell Cell: The basic unit of life Cytoskeleton Centrosome and Centriole Cilia and flagella Nucleus Chromosomes Evolution Movement and Locomotion Human Reproduction Absorption and Translocation of Solutes Soil as a reservoir of Essential Elements LOCOMOTION AND MOVEMENT Mechanism of Muscle Contraction Morphology in Flowering Plants Contractile proteins Muscular System Thyroid Puberty Hormones Origin of Universe Hypothalamus Cell wall Mitochondria Special Chromosomes Microbodies Introduction, Hydroponics and the study of mineral requirements of the plants Criteria of essentiality and Categorisation of Essential elements Deficiency symptoms of essential elements and toxicity The Stem The Root Cytoplasm and cell membrane Mineral Nutrition Disorders Related To Reproductive System Phylum Ctenophora Role of Macronutrients Role of Micronutrients Phylum - Coelenterata / Cnidaria Reptilia Aves Mammalia Anatomy of the leaf Animal kingdom Phylum Annelida Phylum Mollusca Phylum Echinodermata Vertebrata Chordates Disorders of circulatory system Abiotic Factors Male Reproductive System Kingdom Animalia Responses to Abiotic Factors Female Reproductive System Mammary Glands Pregnancy and Embryonic Development Cell Cancer Disorders of the Digestive System Infertility Morphology of Cockroach Blood and Plasma Alternation of Generations and Classification Predation Phaeophyceae and Rhodophyceae Phylum Coelenterata Phylum Porifera Phylum Platyhelminthes Chromosomal Disorders Competition Taxonomic Aids Alternation of generation in Pteridophytes Disorders of muscular and skeletal system General Characteristics of Living Digestive Glands Stomach Testis Buccal cavity Seed Common Diseases in Humans Permanent Tissue Permanent Tissues Xylem Pteridophytes Characteristics Parasitism and Commensalism Water Pollution and Its Control Differentiation, Dedifferentiation and Redifferentiation Organism and its Environment Carbohydrates Greenhouse Effect Gases Amino Acids Dynamic State of Body Constituents Photosynthesis Chloroplast Features of Living Beings Blood Group Lipids Kingdom Protista dense connective tissue connective tissue cartilage connective tissue blood plant cell viruses the stem Connective Tissue Bone Viroids Prions Lichens Animal cell Prokaryotic Cell Taxonomic Aids Herbarium and Museum Sphygmomanometer and ECG Population Attributes Noise pollution Diaphragm Parts of a Plant Photoperiodism Poultry Farming Nucleic Acids Cell Cycle Principles of Biotechnology Antibiotics IVF Glands Kranz Anatomy Sexual Reproduction in Plants Cytokinin Plant Development Biofertilizers Photorespiration Auxin Nutrient Cycling Types of Flowers Taxonomic Hierarchy and Categories Epidermal Tissue System Calyx and Corolla Ethylene Fertilization and Implantation Types of Fruits Inflorescence Types of Growth Macronutrients Family Liliaceae ETC and Oxidative Phosphorylation Classification of Wood Ground Tissue System Secondary Growth in Stem Plant Vascular System Electron Transport System Transpiration Difference Between Types of Cells Ovary Structure Birth Control Epithelial Tissue Endomembrane System Cell Envelopes and Cell Membrane Muscle Types Axial Skeleton Acquired Immunity Lung Volumes and Capacities Suspension and Migration Prokaryotic Cells

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