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Sindrei [870]
3 years ago
15

Alice wanted to compare birthday cake prices in two supermarkets. She wrote down the daily prices for a few days and found that

the difference of the two sample means is $4.01. The standard deviation of the difference of the sample means is $5.46. The 95% confidence interval of the sample mean difference is between and
Mathematics
1 answer:
balu736 [363]3 years ago
8 0

The 95% confidence interval of the sample mean difference is between -8.02 and +16.38


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