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Question

Use the data in Table 3.2 that relate to month household expenditure (in Rs.) on food of 50 households and

(i) Obtain the range of monthly household expenditure on food.

(ii) Divide the range into appropriate number of class intervals and obtain the frequency distribution of expenditure,

(iii) Find the number of households whose monthly expenditure on food is

(a) less than Rs.2,000

(b) more than Rs.3,000

(c) between Rs.1,500 and Rs.2,500


Solution

(i) Range = Largest Value -Smallest Value

Highest Value = 5090

Lowest Value = 1007

So, Range = 5090-1007 = 4083

(ii)

(iii) (a) Number of households whose monthly expenditure on food is less than Rs. 2000

=20+13 =33

(b) Number of households whose monthly expenditure on food is more than Rs. 2000

=2+1+2+0+1=6

(c) Number of households whose monthly expenditure on food is between Rs. 1500 and Rs.2500

= 13+6= 19

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