Accountancy, asked by snehajm5010, 1 year ago

Find the mean of the following data.
C.I : 0–10 10–20 20–30 30–40 40–50
f : 6 28 51 11 4

Answers

Answered by tharun353
0
1500 is the mean of continue s series
Answered by PiaDeveau
0

Mean = 22.9

Explanation:

Computation of Mean:

Class-inter-well      Frequency  Mid value    

                                   (F)               (X)               (F × X)

0–10                             6                 5                  30

10–20                          28               15                  420

20–30                          51               25                 1275

30–40                           11                35                 385

40–50                           4                45                  180

                                Σf = 100                          Σfx = 2,290

Mean = Σfx / Σf

Mean = 2,290 / 100

Mean = 22.9

Note: Mid value = (Upper limit + lower limit)/2

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