Compute the Linear Correlation Coefficient Between the Two Variables and Determine

question 136

Multiple Choice

Compute the linear correlation coefficient between the two variables and determine whether a linear relation exists.
-The table below shows the scores on an end-of-year project of 10 randomly selected architecture students and the number of days each student spent working on the project.
$\begin{array}{l|c|c|c|c|c|c|c|c|c|c|}\text { Days, } \mathrm{x} & 1 & 3 & 0 & 6 & 0 & 2 & 2 & 3 & 4 & 1 \\\hline \text { Score, } \mathrm{y} & 69 & 84 & 64 & 92 & 70 & 82 & 89 & 94 & 94 & 75\end{array}$

• A) \(r = 0.847\); linear relation exists
• B) \(r = 0.847\); no linear relation exists
• C) \(\mathrm { r } = 0.761\); linear relation exists
• D) \(\mathrm { r } = 0.761\); no linear relation exists

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