# Class 10 – Statistics – Previous Years Questions

Statistics – Previous Years Questions

1. The mean and median of a distribution are 14 and 15 respectively. The value of mode is
1. 16
2. 17
3. 18
4. 13 [1 Mark] [CBSE 2020]

2. Find the mode of the following distribution: [2 Marks] [CBSE 2020]

3. From the following distribution, find the median: [2 Marks] [CBSE 2020]

4. The table below shows the salaries of 280 persons: [3 Marks] [CBSE 2018]

Calculate the median salary of the data.

5. A class teacher has the following absentee record of 40 students of a class for the whole term. Find the mean number of days a student was absent. [3 Marks] [CBSE 2019]

6. The mean of the following distribution is 18. Find the frequency of the class 19 – 21. [4 Marks] [CBSE 2018]

7. The following distribution gives the daily income of 50 workers of a factory: [4 Marks] [CBSE 2018]

Convert the distribution above to a less than type cumulative frequency distribution and draw its ogive.

8. Change the following distribution to a ‘more than type’ distribution. Hence draw the ‘more than type’ ogive for this distribution. [4 Marks] [CBSE 2019]

9. Change the following distribution into ‘less than’ type distribution and draw its ogive. Hence find the median of the distribution. [4 Marks] [CBSE 2020]

10. Find the mean, mode and median of the following frequency distribution : [6 marks] [CBSE 2010]