The effectiveness of a diet designed to lower serum cholesterol is to be evaluated by measuring the cholesterol of 10 patients identified as being at risk for cardiovascular disease before and after being on the diet for 16 weeks. Use the data below to construct a two-sided 95% confidence interval for the mean difference. Give an interpretation of the confidence interval. You MUST show all your work to receive full credit. Partial credit is available.  Patient Before Diet After Diet 1 213 199 2 252 231 3 195 197 4 222 220 5 267 248 6 216 220 7 209 209 8 255 237 9 185 184 10 256 225

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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.