Exhibit 15-8The following estimated regression model was dev…

Exhibit 15-8The following estimated regression model was developed relating yearly income (Y in $1,000s) of 30 individuals with their age (X1) and their gender (X2) (0 if male and 1 if female).Also provided are SST = 1,200 and SSE = 384.Refer to Exhibit 15-8. The estimated income of a 30-year-old male is

Exhibit 9-7A random sample of 16 statistics examinations fro…

Exhibit 9-7A random sample of 16 statistics examinations from a large population was taken. The average score in the sample was 78.6 with a variance of 64. We are interested in determining whether the average grade of the population is significantly more than 75. Assume the distribution of the population of grades is normal.Refer to Exhibit 9-7. The test statistic is

Based on the following table, what is the sample regression…

Based on the following table, what is the sample regression equation?     Coefficients Standard Error t Stat p-value Intercept 10,789.9253 7,623.4613 1.311 0.1927 Cost 0.1211 0.073 3.917 0.0002 Grad 163.0168 80.9780 2.574 0.0114 Debt 159.0355 110.6640 1.207 0.2300