Question

Find the missing frequencies in the following frequency distribution, when it is known that A.M. = 11.09
CL 9.3-
9.7
9.8-
10.2
10.3-
10.7
10.8-
11.2
11.3-
11.7
11.8-
12.2
12.3-
12.7
12.8-
13.2
Total
Frequency 2 5 F3 F4 14 6 3 1 60

Answer 1

Answer:

12.8 it will be the answer for these question

Answer 2

Answer:

f3 = 12.2 & f4 = 16.8 , 2 equations that will be created here - 1st equation from total frequency and 2nd one is from arithmetic mean. Then calculate both equation to find out f3 & f4.