Answer question 3 please 52
(R.
2.3. Calculate mean Of the following Series:
4
Frequency : 6
5
12
6
15
7
28
• A = 42.67, B -56. c =62.67 and D -47331
10
5
20
9
14
0.4. Find out mean Of sales and expenses of following 10 firms:
Firms
sales in '000)
Expenses R in '000)
234 56
50 55 6065 65
11
13 14 16 16 15
(X: Sales -
7
65
15
8
60
14
9
60
13
10
50
13
58,000,
Q.5. Calculate mean Of the following frequency distribution:
Values
Frequency :
606264 67 70 73 77 81
54 82 103 176 212 180 115 78
Q.6. Calculate average of the following series:
x
4
7
6
9
10
16
14
8
18
6
22
4
Expenses = 14,000]
85 89
50 21
70941
111
