A) It is known from past studies that the monthly average household expenditure on food items in a locality is Rs. 2700/- with a standard Deviation of Rs. 160/-. A random sample of 25 households were studied and found that monthly household food expenditure to be Rs. 2790/-. At 0.01 level of significance, can we conclude that the average household expenditure on the food items is greater than Rs. 2700/-.
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and all the rates of sample
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food items. ❖ Average monthly consumer expenditure per family was estimated as Rs. 8554. ❖ Major heads of expenditure: Miscellaneous ...
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