The accompanying frequency distribution summarizes sample data consisting of ages of randomly selected inmates in federal...
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The accompanying frequency distribution summarizes sample data consisting of ages of randomly selected inmates in federal prisons. Use the data to construct a 95% confidence interval estimate of the mean age of all inmates in federal prisons. Age (years) Number 16-25 13 26-35 61 36-45 66 46-55 37 56-65 13 Over 65 4 Using the class limits of 66-75 for the "over 65" group, find the confidence interval. The accompanying frequency distribution summarizes sample data consisting of ages of randomly selected inmates in federal prisons. Use the data to construct a 95% confidence interval estimate of the mean age of all inmates in federal prisons. Age (years) Number 16-25 13 26-35 61 36-45 66 46-55 37 56-65 13 Over 65 4 Using the class limits of 66-75 for the "over 65" group, find the confidence interval.
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