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A supermarket chain is considering two sources A and B for the purchase of 50-pound bags of onions. The following table gives the results of a study.

	Source A	Source B
Number of bags weighed	80	100
Mean weight	105.9	100.5
Sample variance	0.21	0.19

Test at α = 0.05 whether there is a difference in the mean weights.

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Category:- Statistics and Probability
Reference No.:- M91640361

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