Sample size, n = 49; sample mean, x = 12.8 kilograms (kg); sample standard deviation, s =

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Sample size, n = 49; sample mean, x = 12.8 kilograms (kg); sample standard deviation, s = 2.5 kg

Margins of Error and Confidence Intervals. For Exercise, assume that population means are to be estimated from the samples described. In each case, use the sample results to approximate the margin of error and 95% confidence interval.

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Statistical Reasoning For Everyday Life

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Authors: Jeff Bennett, William Briggs, Mario Triola

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Sample size, n = 49; sample mean, x = 12.8 kilograms (kg); sample standard deviation, s =

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The sample mean is x 128 and the sample standard deviation is s 25 Thus the z score for estimating f...View the full answer

Statistical Reasoning For Everyday Life

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