Find the Value of the Linear Correlation Coefficient R $\begin{array}{r|rrrrr}\mathrm{x} & 1.2 & 1.4 & 1.6 & 1.8 & 2.0 \\\hline \mathrm{y} & 54 & 53 & 55 & 54 & 56\end{array}$

question 115

Multiple Choice

Find the value of the linear correlation coefficient r.
- $\begin{array}{r|rrrrr}\mathrm{x} & 1.2 & 1.4 & 1.6 & 1.8 & 2.0 \\\hline \mathrm{y} & 54 & 53 & 55 & 54 & 56\end{array}$

• A) \(\hat { y }= 50 + 3 x\)
• B) \(\hat { y } = 55.3 + 2.40 \mathrm { x }\)
• C) \(\hat { y } = 54\)
• D) \(\hat { y } = 50.4 + 2.50 x\)

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