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

question 8

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 $\alpha$
-The regression equation relating attitude rating $( x )$ and job performance rating $( y )$ for the employees of a company is $\hat{ y} = 11.7 + 1.02 x$ . Ten pairs of data were used to obtain the equation. The same data yield $r = 0.863$ and $\bar { y } = 80.1$ . What is the best predicted job performance rating for a person whose attitude rating is 73 ?

• A) \(80.1\)
• B) \(12.6\)
• C) \(84.9\)
• D) \(86.2\)

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Definitions:

Profits

The financial gain realized when the revenue from selling goods or services exceeds the costs, taxes, and expenses involved in its provision.

Efficient Solution

An outcome in which resources are allocated in the most effective manner, maximizing utility or benefit without waste.

Demand Curves

Graphical representations that show the relationship between the price of a good and the quantity demanded by consumers at those prices.

Quantity

The amount or number of units of a product or service.