Mathematics, 24.04.2020 17:33 alialoydd11
The U. S. Mint has a specification that pennies have a mean weight of 2.5 g. data set 21 – Coin Weights lists the weights (in grams) of 37 pennies manufactured after 1983. Those pennies have a mean weight of 2.49910 g and a standard deviation of 0.01648 g. Use a 0.05 significance level to test the claim that this sample is from a population with a mean weight equal to 2.5 g
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The U. S. Mint has a specification that pennies have a mean weight of 2.5 g. data set 21 – Coin Weig...
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