Using the Following Data, What Is the Pearson Product-Moment R

question 50

Multiple Choice

Using the following data, what is the Pearson product-moment r between X and Y? $\begin{array}{llllll}\text { Subject } & X & Y & X^{2} & Y^{2} & X Y \\1 & 8 & 7 & 64 & 49 & 56 \\2 & 9 & 10 & 81 & 100 & 90 \\3 & 3 & 5 & 9 & 25 & 15 \\4 & 4 & 5 & 16 & 25 & 20 \\5 & \underline{1} & \underline{3} & \underline{1} & \underline{9} & \underline{3} \\\Sigma & 25 & 30 & 171 & 208 & 184\end{array}$

• A) .75
• B) .78
• C) .95
• D) .98

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Definitions:

Budget Constraint

A limitation that represents the combination of goods and services that a consumer can purchase given their income and the prices of those goods and services.

Apples

Commonly refers to the edible fruit produced by an apple tree, used in various cuisines worldwide.

Bananas

A long, curved fruit with a yellow skin and soft, sweet, white flesh inside, commonly eaten as a snack or used in culinary dishes.

Utility Function

A mathematical representation that quantifies the satisfaction or happiness an individual derives from consuming goods and services.