(Table 1: Macroeconomic Data for Econia) Table 1 Provides Several

question 79

Multiple Choice

(Table 1: Macroeconomic Data for Econia) Table 1 provides several statistics on Econia's economy in 2018. Use the data to determine the level of private saving in Econia during 2018.
$\begin{array}{l}\text { Table 1: Macroeconomic Data for Econia, } 2018 \text { (billions of dollars) }\\\begin{array}{|c|c|c|c|c|c|c|c|}\hline \text { GDP } & \mathrm{C} & \mathrm{I} & \mathrm{G} & \mathrm{Ex} & \mathrm{Im} & \mathrm{T} & \text { Depreciation } \\\hline \$ 900 & \$ 600 & \$ 200 & \$ 300 & \$ 100 & \$ 300 & \$ 250 & \$ 50 \\\hline\end{array}\end{array}$

• A) $50 billion
• B) $350 billion
• C) $0
• D) -$200 billion

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Definitions:

Null Hypothesis

A hypothesis that assumes no significant difference or effect in a population parameter or between populations, typically tested against an alternative hypothesis.

Slope

In mathematics, the slope is the measure of the steepness or incline of a line, calculated as the ratio of the vertical change to the horizontal change between two points on the line.

Regression Line

A line drawn through the set of datapoints that represents the best fit of the data according to a particular statistical criterion, often used in linear regression analysis.

Linear Relationship

A type of association where the change in one variable is directly proportional to the change in another variable.