Question

33. Calculate the arithmetic mean from the following data using
A. Direct Method
B. Assumed Mean Method
X
5
10
15
20
25
30
35
40
f
5
7
9
10
8
6
5
2
34 Calculate weighted average of price relative indey from the following doto​

Answer 1

Answer:

x. f. fx

5. 4. 20

10. 5. 50

15. 7. 105

20. 4. 80

25. 3. 75

30. 2. 60

total N=25 £fx=390

Arithmetic mean,x= £fx

N

=390. =15.6 Ans

25