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Graphing Calculator Example

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7.5 Small-Sample Confidence Intervals for a Population Mean

Problem 1
Problem 2
Problem 3
Now You Try It!

Use the given values to find the margin of error and the confidence interval used to estimate the mean: Weight loss after a year of dieting: n = 29, sample mean = 3.1, standard deviation = 4.25, and Clevel = 99%.

 

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