NCERT Solutions for Class 9 Maths Chapter 14 Statistics

The chapter talks about a new topic that is part of math but is less complicated than other sections. The topic statistics is often determined as the tough section, but it is not as tough as it seems to be. Statistics is quite simple to understand as the chapter itself begins with a brief introduction of statistics.You can widely see the topic in graphs, pie charts and other statistical representations.The data is extracted and presented in a systematic form. The representation of data and presenting it in a tangible way is the real meaning of statistics. The chapter ends with formulas used to solve the statistical problems such as mean, median, mode and standard deviation.

• The chapter begins with the introduction of Statistics, which is a branch of maths.
• To solve the problems, the numbers are often segregated into grouped data and ungrouped data.
• This chapter also talks about the related between Mean, Median, and Mode. 
• Statistics is the branch of maths that simplifies the huge data into a graphical representation.
• Bar graph consists of data represented in the form of equally distributed bars that have their own values.
• The values of the bar graph's variable are shown on the x and y-axis.
• Whereas, the histogram depicts the continuous class of the data through rectangular bars.
• But, there are no gaps between the rectangular bars in the histogram, unlike the bar graph.
• The areas of the histogram are proportional to the frequencies of the rectangle.