Use a single value to estimate the mean weight of all


You want to estimate the mean weight of quarters in circulation. A sample of 40 quarters has a mean weight of 5.653grams and a standard deviation of 0.057 gram. Use a single value to estimate the mean weight of all quarters.? Also, find the? 95% confidence interval for the average weight of all quarters.

The mean weight of all quarters is approximately ____________ grams.

?(Round to the nearest thousandth as? needed.)

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Basic Statistics: Use a single value to estimate the mean weight of all
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