A test of abstract reasoning is given to a random sample of students before and after they completed a formal logic course.The results are given below.Do the data suggest that the mean score after the course differs from the mean score before the course? Perform a paired t-test at the 5% significance level. 
Definitions:
Economic Indicators
These are statistical metrics used to gauge the overall health of the economy, including metrics like GDP, unemployment rates, and inflation.
GDP Implicit Price
A measure that reflects the changes in the prices of all goods and services included in the Gross Domestic Product, indicating the economy's inflation or deflation.
Price Level
A measure of the average prices of goods and services in the economy at a given time, often compared to a base year to assess inflation or deflation.
Aggregate Demand Curve
The total demand for all goods and services in an economy at different price levels, typically downward sloping, indicating an inverse relationship between price level and demand.
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