Question: This question: 1 point(s) possib Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a

This question: 1 point(s) possib Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (3.4,4.2) when estimating the mean height (in centimeters) of a sample of seedlings. The estimated margin of error is The sample moan is

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