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

question 30

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 $\alpha$
-Six pairs of data yield $r = 0.444$ and the regression equation $\hat { y } = 5 x + 2 .$ Also, $\bar { y } = 18.3$ . What is the best predicted value of $y$ for $x = 5$ ?

• A) \(93.5\)
• B) \(4.22\)
• C) 27
• D) \(18.3\)

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