If X and Y Are Two Variables With $\sigma _ { z } ^ { 2 } = 3.25$

question 276

True/False

If X and Y are two variables with $\sigma _ { z } ^ { 2 } = 3.25$ , $\sigma _ { y } ^ { 2 } = 5.8$ , and COV(X, Y) = 14.703, then the coefficient of correlation $\rho$ = 0.78.

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Definitions:

Inflation

A sustained increase in the general price level of goods and services in an economy over a period of time, leading to a decrease in the purchasing power of currency.

Government Policies

Government policies are the actions and strategies that governments implement to achieve specific objectives, including economic stability, growth, and social welfare.

Efficiency

The ability to achieve a desired result without wasted energy or resources.

Quantity of Money

The sum of cash and bank deposits circulating in an economy at a particular moment.