Question

7. Find the class intervals if the arithmetic mean of the following distribution is 33 and assumed
mean 35:
(Ans.: 0-10, 10-20,.....50-60)
Step Deviation -3
-2
-1
0
1
2
Frequency
5
10
25
30
20
10
8
Mean of 25 observati​

Answer 1

Answer:

20

Step-by-step explanation:

20

is

the

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