Choose the One Alternative That Best Completes the Statement or Answers

question 14

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-In an area of Russia, records were kept on the relationship between the rainfall (in inches) and the yield of wheat (bushels per acre) . The data for a 9 year period is as follows:
$\begin{array}{l|ccccccccc}\text { Rain Fall, x } & 13.1 & 11.4 & 16.0 & 15.1 & 21.4 & 12.9 & 9.6 & 18.2 & 18.6 \\\hline \text { Yield, y } & 48.5 & 44.2 & 56.8 & 80.4 & 47.2 & 29.9 & 74.0 & 74.0 & 76.8\end{array}$

The equation of the line of least squares is given as $\mathrm { y } = - 9.12 + 4.38 \mathrm { x }$ . What would be the expected number of inches of rain if the yield is 60 bushels of wheat per acre?

• A) \(15.78\)
• B) \(253.68\)
• C) \(11.62\)
• D) \(64.74\)

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Definitions:

General Theory

In the context of economics, it often refers to Keynes's "The General Theory of Employment, Interest, and Money," which argues that aggregate demand is the primary driving force in an economy.

Increase Spending

A policy or action that leads to a higher level of expenditure by individuals, businesses, or the government to stimulate economic activity.

Depression

A prolonged period of significant economic downturn, marked by high unemployment, low output, and declining prices.

Aggregate Demand

The cumulative demand for goods and services within an economy, reflecting the total spendable money available at various price points.