An Ardent Fan of Television Game Shows Has Observed That

question 136

Short Answer

An ardent fan of television game shows has observed that, in general, the more educated the contestant, the less money he or she wins. To test her belief she gathers data about the last eight winners of her favorite game show. She records their winnings in dollars and the number of years of education. The results are as follows. Predict with 95% confidence the winnings of a contestant who has 15 years of education.
CI = ______________ Enter (n1, n2)
Predict with 95% confidence the winnings of a contestant who has 10 years of education.
CI = ______________ Enter (n1, n2)
Estimate with 95% confidence the average winnings of all contestants who have 15 years of education.
CI = ______________ Enter (n1, n2)
Estimate with 95% confidence the average winnings of all contestants who have 10 years of education.
CI = ______________ Enter (n1, n2)

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Definitions:

Average Tax Rate

The percentage of income that is paid to the government as tax, calculated by dividing the total tax amount by the total income.

Payroll Taxes

Taxes imposed on employers and employees, calculated as a percentage of the salaries that employers pay their staff.

Medicare Taxes

Taxes collected in the United States to fund the Medicare program, which provides healthcare to the elderly and disabled.

Average Tax Rate

The percentage of an individual's or entity's gross income that is paid in taxes.