A test on world history was given to a group of individuals before and also after a film on the history of the world was presented. The results are given below. We want to determine if the film significantly increased the test scores. (For the following matched samples, let the d after before.)
a.Give the hypotheses for this problem.
b.Compute the test statistic.
c.At 95% confidence, test the hypotheses.
Definitions:
Wage Cut
A reduction in the rate of pay received by an employee.
Quality Distribution
The spread or variance in quality levels among products, services, or outputs within a company or sector.
Appraiser
A professional who assesses the value of a particular item, often for property, art, or antiques.
Original Owners
The first owners or proprietors of an asset or property.
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