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Find the missing frequencies

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Reference no: EM132854385

1) In a frequency distribution of 100 families given below the number of families corresponding to expenditure groups 20-40 and 60-80 are missing from the table. However, the median is known to be 50.

Expenditure group

0-20
20-40
40-60
60-80
80-100

No. of families

14
f2
27
f4
15

a) Find the missing frequencies.

b) Find mean, mode, variance, standard deviation, range, mean deviation for mean and median

Reference no: EM132854385

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