Question

Find mid values of each class of the following frequency distribution. 50 - 74 75 - 100 25 - 49 10 - 24 Class 0.0 30 20 10 20 10
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Answer 1

Answer:

class interval Mid-point

x

i

Frequency

f

i

f

i

x

i

25-29 27 14 378

30-34 32 22 704

35-39 37 16 592

40-44 42 6 252

45-49 47 5 235

50-54 52 3 156

55-59 57 4 228

Σf

i

=70 Σf

i

x

i

=2545

Mean=

Σf

i

Σf

i

x

i

=

70

2545

=36.36

Answer 2

Answer:

36.36 is the correct answer