Suppose You Will Perform a Test to Determine Whether There $\alpha$

question 86

Multiple Choice

Suppose you will perform a test to determine whether there is sufficient evidence to support a claim of a linear
correlation between two variables. Find the critical values of r given the number of pairs of data n and the significance
level $\alpha$
-Four pairs of data yield $\mathrm { r } = 0.942$ and the regression equation $\hat { \mathrm { y } } = 3 \mathrm { x }$ . Also, $\overline { \mathrm { y } } = 12.75$ . What is the best predicted value of $y$ for $x = 4.6$ ?

• A) \(12.75\)
• B) \(13.8\)
• C) \(2.826\)
• D) \(0.942\)

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