Construct a Normal Quartile Plot of the Given Data $$\begin{array} { l l l l } 127 & 135 & 118 & 164 \\143 & 130 & 125 & 153 \\120 & 173 & 140 & 180\end{array}$$

Essay

Construct a normal quartile plot of the given data. Use your plot to determine whether the data come from a normally distributed population.
-The systolic blood pressure (in mmHg) is given below for a sample of 12 men aged between 60 and 65.
$$\begin{array} { l l l l } 127 & 135 & 118 & 164 \\143 & 130 & 125 & 153 \\120 & 173 & 140 & 180\end{array}$$