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Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (1.8, 3.2)
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (1.8, 3.2) when estimating the mean height ( in centimeters ) of a sample of seedlings. The estimated margin of error is The sample mean is
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