Question

61 Calculate Mean, Median and Mode from the following figures :
Mid-value
14 16 18 20 22 24 26 28
Frequency
1
7
10 44 37 29 9 3


(61) [Ans. : X = 21.53,M=21.43.Z=21.79||Kota)​

Answer 1

Answer:

ask the question properly

Answer 2

Explanation:

5.6 Mean, Variance and Standard Deviation for Grouped Data. To calculate the mean for grouped data, first find the midpoint of each class and then multiply the midpoint by the frequencies of the corresponding classes. The sum of these products gives an approximation for the sum of all values.