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
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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
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