Mathematics, 28.01.2020 20:12 alexisfhenders
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
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Alice wanted to compare birthday cake prices in two supermarkets. she wrote down the daily prices fo...
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