The following table lists the monthly incomes (in hundreds of dollars) and the monthly rents paid (in hundreds of dollars) by a sample of six families.

Monthly Income Monthly Rent

24 7.0

16 4.5

19 6.5

31 11.6

10 4.5

27 8.5

1 The 99% confidence interval for the slope, B, of the population regression line is (2

decimals): __________________________________________

2. The null hypothesis is that the slope of the population regression line of monthly rent

on monthly income is zero and the alternative hypothesis is that the slope of this

population regression line is greater than zero. The significance level is 1%. What is the

critical value of t (3 decimals)? __________________________________________

3. The null hypothesis is that the slope of the population regression line of monthly rent

on monthly income is zero and the alternative hypothesis is that the slope of this

population regression line is greater than zero. The significance level is 1%. What is the

value of the test statistic, t, rounded to three decimal places? ______________________

4. The null hypothesis is that the slope of the population regression line of monthly rent

on monthly income is zero and the alternative hypothesis is that the slope of this

population regression line is greater than zero. The significance level is 1%. By hand, test

whether the slope of the monthly income is greater than zero using the CV approach, including

identifying the reject/non reject regions, etc.