Question:

sample of 22 specimens is used to investigate the relationship between the shear strength of the bond in psi and the age of the propellant in weeks. Use the R software output to answer the following questions. Rocket Motors 3 E g "5 i g 3 i :3: 5 1D 15 20 25 3O Fropellant Age in Weeks Q. State which variable is the explanatory variable and which is the response. The explanatory variable is the I 59'3\"] The response variable is the [salad] V . 1. A. strength of bond in psi B. propellant age in weeks 2. A. strength of bond in psi B. propellant age in weeks \fInterpreting Output. Select the correct values. Q. The least squares regression equation is: D Q. The estimate for 0' is: Q. The estimate for 0' is: Q. The t test statistic, degrees of freedom and pvalue for the t test on the slope are : ttest stat = l:| V p-value= l:| \