Question

find the mean median mod of the the following data. Class mark 0— 10 ,10—20,20—30,30—40,40—50,50—60 frequency table2, 6,8,19,8,7​

Answer 1

Answer:

Calculate the arithmetic mean of given frequency distribution table.

Class-interval 0−10 10−20 20−30 30−40 40−50 50−60

Frequency 7 14 28 26 16 9

Step-by-step explanation:

class interval frequency (f) mean value (x) fx

0 - 10 7 5 35

10 - 20 14 15 210

20 - 30 28 25 700

30 - 40 26 35 910

40 - 50 19 45 720

50 - 60 9 55 495

Sum 100 3070

A.M.=

∑f

i

∑f

i

x

i

=

100

3070

=30.7