## Ex 14.4, 6 Give one example of a situation in which (i) the mean is an appropriate measure of central

When the data does not change much, mean is an appropriate measure of central tendency.

For example -

Marks of a student in 5 tests

7, 6, 6, 7 , 5

∴ Mean  = (7 + 6 + 6 + 7 + 5)/5 = 31/5 = 6.2

Here 6.2 is an appropriate measure of central tendency

## Ex 14.4, 6 Give one example of a situation in which (ii) the mean is not an appropriate measure of central tendency but the median is an appropriate measure of central tendency.

When the data has a very high or a very low value, then mean is not an appropriate measure of central tendency.

Then, median can be an appropriate measure

Example –

Runs scored by Shikhar Diwan in 5 matches,

20,  21, 23, 100,  25

Here, Mean  = (20 + 21 + 23 + 25 + 100)/5 = 189/5 = 37.8

But Median ,

Arrange data in ascending Order

20, 21, 23,  25, 100

Middle term = ((5+1)/2) rd Term = 3 rd Term

Here 3 rd term is 23

Thus, Median = 23 is an appropriate measure of central tendency

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1. Chapter 14 Class 9 Statistics
2. Serial order wise
3. Ex 14.4

Ex 14.4

Chapter 14 Class 9 Statistics
Serial order wise 