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In a survey of shopping habits. 600 individuals are chosen at random in super market 'A' located at one corner of the city. Their average weekly food expenditure is Rs. 300 with a standard deviation of Rs. 50. For 500 individual shoppers are chosen at random in super market 'B' in another corner of the city. the average weekly food expenditure is Rs. 280 with a standard deviation of Rs. 60. Test whether the average weekly food expenditure of the two populations of shoppers are equal at 5% level of significance.

In a survey of shopping habits. 600 individuals are chosen at random in super market 'A' located at one corner of the city. Their average weekly food expenditure is Rs. 300 with a standard deviation of Rs. 50. For 500 individual shoppers are chosen at random in super market 'B' in another corner of the city. the average weekly food expenditure is Rs. 280 with a standard deviation of Rs. 60. Test whether the average weekly food expenditure of the two populations of shoppers are equal at 5% level of significance.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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In a survey of shopping habits. 600 individuals are chosen at random in super market

'A' located at one corner of the city. Their average weekly food expenditure is Rs. 300 with a standard deviation of Rs. 50. For 500 individual shoppers are chosen at random in super market 'B' in another corner of the city. the average weekly food expenditure is Rs. 280 with a standard deviation of Rs. 60. Test whether the average weekly food expenditure of the two populations of shoppers are equal at 5% level of significance.

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