Daily expenditure in Rs. | Number of households |
100 - 150 | 4 |
150 - 200 | 5 |
200 - 250 | 12 |
250 - 300 | 2 |
300 - 350 | 2 |
A) value of mean is 206.6
B) value of mean is 211
C) mean lies in interval (150 - 200)
D) mean lies in interval (300 - 350)
Correct Answer: B
Solution :
(b):\[{{x}_{i}}\] | \[{{f}_{i}}\] | \[{{f}_{i}}{{x}_{i}}\] | |
100 - 150 | 125 | 4 | 500 |
150 - 200 | 175 | 5 | 875 |
200 - 250 | 225 | 12 | 2700 |
250 - 300 | 275 | 2 | 550 |
300 - 350 | 325 | 2 | 650 |
25 | 5275 |
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