The following are the test scores of two samples of students from University A and University B on a national statistics examination.Develop a 95% confidence interval estimate for the difference between the mean scores of the two populations.
Definitions:
Billion
A number equivalent to one thousand million (1,000,000,000) or, in some number systems, a million million (1,000,000,000,000).
Saving
The portion of income not spent on current consumption but set aside for future use, often in a deposit account or as an investment.
Disposable Income
The sum of funds a family can use for expenditures and savings once income taxes are deducted.
APC
Average Propensity to Consume (APC) is a measure of the fraction of income spent on consumption rather than saving in an economy.
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