A Researcher Hypothesizes That Individuals' Interest in Politics Is Related

Short Answer

A researcher hypothesizes that individuals' interest in politics is related to the amount of television they watch. He asks participants to rate on a scale from 1 (not interested at all) to 10 (extremely interested) the extent to which they are interested in politics, and also asks for the amount of television they watch. Below are the data
$$\begin{array} { c c } \hline \text { Interest } & \text { TV } \\\hline 6 & 45 \\5 & 79 \\7 & 110 \\7 & 75 \\9 & 163 \\3 & 60 \\4 & 85 \\1 & 64 \\7 & 80 \\2 & 30 \\8 & 40 \\9 & 90 \\3 & 120 \\5 & 90 \\\hline\end{array}$$ What is the observed correlation?