Using the Following Data, If Each of the Five Y

question 36

Multiple Choice

Using the following data, if each of the five Y scores were multiplied by 3.5, what would be the effect on the calculated r? $\begin{array}{llllll}\text { Subject } & X & Y & X^{2} & Y^{2} & X Y \\1 & 8 & 7 & 64 & 49 & 56 \\2 & 9 & 10 & 81 & 100 & 90 \\3 & 3 & 5 & 9 & 25 & 15 \\4 & 4 & 5 & 16 & 25 & 20 \\5 & \underline{1} & \underline{3} & \underline{1} & \underline{9} & \underline{3} \\\Sigma & 25 & 30 & 171 & 208 & 184\end{array}$

• A) It would remain the same.
• B) It would increase.
• C) It would decrease.
• D) It would depend on the shape of the distribution.

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Definitions:

Long Run

In microeconomics, a period of time long enough to enable producers of a product to change the quantities of all the resources they employ, so that all resources and costs are variable and no resources or costs are fixed. In macroeconomics, a period sufficiently long for nominal wages and other input prices to change in response to a change in a nation’s price level.

U.S. Electricity

The system of electrical generation, transmission, and distribution operated within the United States.

Generated From

Derived or produced from a particular process or source.

Per Capita Water Consumption

The average amount of water used per person within a specified area or community, typically measured over a given period.