A Group of Six Individuals with High Cholesterol Levels Were

True/False

A group of six individuals with high cholesterol levels were given a new diet designed to lower cholesterol levels. Cholesterol levels, in milligrams per deciliter, were measured before and after the Implementation of the diet for each individual, with the following results:

$\begin{array} { c c c } \hline \text { Individual } & \text { Before } & \text { After } \\\hline 1 & 227 & 160 \\2 & 234 & 174 \\3 & 257 & 178 \\4 & 269 & 170 \\5 & 218 & 178 \\6 & 248 & 178\end{array}$

A dietician claims that the mean reduction in cholesterol level is 51 milligrams per deciliter. Does the 98% confidence interval contradict this claim? (Hint: you need to find the 98% confidence interval For the mean reduction in cholesterol level.)