A Correlation Coefficient Comparing Study Time to Grades Is

question 8

Essay

A correlation coefficient comparing study time to grades is +.80.Can one then conclude that greater study time causes good grades? Why, or why not?

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Definitions:

Aggregate Inflation

Aggregate inflation refers to the overall general increase in prices across the economy, reducing the purchasing power of money.

Unemployment

The failure to use all available economic resources to produce desired goods and services; the failure of the economy to fully employ its labor force.

Command Economies

Economic systems where the government controls the production, distribution, and consumption of goods and services.

Positive Statement

An objective statement based on fact that can be tested and validated, often used in the description of economic behaviors.