Question

Using the assumed mean method find the mean of the following data
Class interval frequency
0-10 7
10-20 8
20-30 12
30-40 13
40-50 10​

Answer 1

Answer:

Hope it helps (answer in the attachment) .......so sorry for cropping the C.I....refer to the question for them...

Answer 2

Answer:

assumed mean method

x =. a + [fd/{f

Step-by-step explanation:

c.i.

0-10.

10-20

20-30

30-40

40-50

F

7

8

12

13

10