Use the Figure Below to Answer the Following Questions

question 28

Multiple Choice

Use the figure below to answer the following questions.

Figure 20.1.1
-Refer to Figure 20.1.1, which shows the circular flow of expenditure and income for Venus. During 2014, A was $100, B was $50, C was $30 and D was $10. How much is aggregate expenditure?

• A)$50
• B)$75
• C)$90
• D)$100
• E)$30

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Definitions:

Covariance

A measure that indicates the extent to which two variables change together, indicating the direction of their linear relationship.

Linear Relationship

A type of relationship between two variables where a change in one variable is associated with a proportional change in the other.

COV

COV refers to the coefficient of variation, a statistical measure of the relative dispersion or variability of a data set relative to its mean, expressed as a percentage.

Covariance

A measure that indicates the extent to which two variables change together; positive covariance indicates that both variables tend to move in the same direction.