MP Board Class 9th Maths Solutions Chapter 14 Statistics Ex 14.1

1. Give five examples of data that you can collect from your day – to – day life.
2. Classify the data in –

Question 1.
Above as primary or secondary data
Solution:
Do it yourself.

Presentation of Data:
The data collected in original form is called raw data. These data are arranged in ascending or descending order. This arrangement is called array. The data are divided or grouped into classes in condensed form. This is known as presentation of data.

Range of Data:
The difference between highest and lowest value of data is called the range of data.