Answer the following questions in detail−

Wage distribution of 100 workers is given below. Calculate range.

Daily Wages 10-20 20-30 30-40 40-50

No. of Workers 20 30 35 15

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Solution

C.I.

f

(L)10–20

20

20–30

30

30–40

35

40–50(H)

15

$Range = Highest value - Lowest value = 50 - 10 = 40$

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