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

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Solution

Calculation of Range

Range = Highest Value – Lowest Value

Highest Value = 5090

Lowest Value = 1007

So, Range = 5090 – 1007 = 4083

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Q. Use the data in Table 3.2 that relate to monthly 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.

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

(a) less than Rs 2000
(b) more than Rs 3000
(c) between Rs 1500 and Rs 2500

Use the data given below that relate to monthly household expenditure (in Rs) on food of 50 households and answer the questions.

$\begin{matrix} 1904 & 1559 & 1735 & 2760 & 2041 & 1612 1753 & 1855 & 4439 & 5090 & 1085 & 1823 & 2346 1523 & 1211 & 1360 & 1110 & 2152 & 1183 & 1218 1315 & 1105 & 2628 & 2712 & 4248 & 1812 & 1264 1183 & 1171 & 1007 & 1180 & 1953 & 1137 & 2048 2025 & 1583 & 1324 & 2621 & 3676 & 1397 & 1832 1962 & 2177 & 2575 & 1293 & 1365 & 1146 & 3222 1396 \end{matrix}$

(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.

Find the number of households whose monthly expenditure on food is

(a) less than Rs 2000

(b) more than Rs 3000

Q. The following table shows the distribution of monthly expenditure on electricity of households in a certain village.

Monthly Expenditure	150-225	225-300	300-375	375-450	450-525	525-600	600 and above
No. of households	65	171	196	75	53	26	14

Find the median expenditure on electricity of households per month.

Q. Following shows the distribution of monthly expenditure (in Rs.) done by households in a certain village on electricity.
Find median expenditure done by households on electricity per month.

Monthly expenditure	150 - 225	225 - 300	300 - 375	375 - 450	450 - 525	525 - 600	600 and above
No. of households	65	171	196	75	53	26	14

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

Calculation of Range Range = Highest Value – Lowest Value Highest Value = 5090 Lowest Value = 1007 So, Range = 5090 – 1007 = 4083

Calculation of Range

Range = Highest Value – Lowest Value

Highest Value = 5090

Lowest Value = 1007

So, Range = 5090 – 1007 = 4083