Page 8 - Lesson note-5-Ch 14 Statistics ( Measure of Central Tendency)

Median

If the given statistical data be arranged in ascending or descending order of their
values, then the value of the middle term is called the median.

Let 'n' be the number of scores in ascending or descending order.

Mode

The number which appears maximum times in the given statistical data is called mode.

In other words, mode is the number whose frequency is maximum.

Question 1: Find the median of the following data:
83, 37 , 70, 29 , 45 , 63 , 41 , 70 , 34 , 54
Solution:
Arranging given numbers in ascending order:
29 , 34 , 37 , 41 , 45 , 54 , 63 , 70 , 70 , 83
Here, Total number of terms = n = 10 (even)