Accountancy, asked by mshifa30342, 5 months ago

if mean is 30 find out mixing frequcy

Answers

Answered by sonekarnanjali

1

Answer:

.I.

fi

xi

fi.xi

10 - 20

5

15

75

20 - 30

3

25

75

30 - 40

4

35

140

40 - 50

f

45

45f

50 - 60

2

55

110

60 - 70

6

65

390

70 - 80

13

75

975

33+f

1765+45f

Mean =

Explanation:

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