Find the Value of the Linear Correlation Coefficient R
-Two

question 121

Multiple Choice

Find the value of the linear correlation coefficient r
-Two separate tests are designed to measure a student's ability to solve problems. Several students are randomly selected to take both tests and the results are shown below. $$\begin{array} { c | l | l | l | l | l | l | l | l | l } \text { Test A } & 48 & 52 & 58 & 44 & 43 & 43 & 40 & 51 & 59 \\\hline \text { Test B } & 73 & 67 & 73 & 59 & 58 & 56 & 58 & 64 & 74\end{array}$$

• A)0.548
• B)0.109
• C)0.714
• D)0.867

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