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The following data shows the yearly income (in $1,000) and age of a sample of seven individuals.
a.Develop the least squares regression equation.
b.Estimate the yearly income of a 30-year-old individual.
c.Compute the coefficient of determination.
d.Use a t test to determine whether the slope is significantly different from zero. Let = 0.05.
e.At 95% confidence, perform an F test and determine whether or not the model is significant.
Monthly Compounded
A method of calculating interest where the interest is added to the principal each month, resulting in interest earned on interest.
Nominal Rate
The stated interest rate of a bond or loan, not adjusted for inflation.
Compounded Annually
A method in which interest is calculated once per year and added to the total sum, affecting the principal for the next period.
Promissory Note
A promissory note is a financial instrument that contains a written promise by one party to pay another party a determinate sum of money either on demand or at a specified future date.
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