1. A study is run comparing HDL cholesterol levels between men who exercise regularly and those who do not. The data are shown below.Regular Exercise N Mean Std DevYes 35 48.5 12.5No 120 56.9 11.92. Generate a 95% confidence interval for the difference in mean HDL levels between men who exercise regularly and those who do not.

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.