QMB 3200 Final Exam
If the confidence interval for the regression slope includes zero, we would have some evidence that beta
could be equal to zero, which would indicate that there may not be a relationship between the
dependent and independent variables. - Answer-True
A professor would like to test the hypothesis that the average number of minutes that a student needs
to complete a statistics exam has a standard deviation that is less than 5.0 minutes. Which of the
following would be the correct hypothesis statement? - Answer-H0: sigma squared greater than or equal
to 25
H1: sigma squared less than 25
A coefficient of determination equal to zero indicates that there is no relationship between the
independent and dependent variables. - Answer-True
A relationship is linear if the scatter plot of the independent and dependent variables has a straight-line
pattern. - Answer-True
With one-way ANOVA, there will be a greater chance of rejecting the null hypothesis when more
variation in the data is due to the SSB rather than the SSW. - Answer-True
If the confidence interval for the regression slope includes zero, we would have some evidence that beta
could be equal to zero, which would indicate that there may not be a relationship between the
dependent and independent variables. - Answer-True
A professor would like to test the hypothesis that the average number of minutes that a student needs
to complete a statistics exam has a standard deviation that is less than 5.0 minutes. Which of the
following would be the correct hypothesis statement? - Answer-H0: sigma squared greater than or equal
to 25
H1: sigma squared less than 25
A coefficient of determination equal to zero indicates that there is no relationship between the
independent and dependent variables. - Answer-True
A relationship is linear if the scatter plot of the independent and dependent variables has a straight-line
pattern. - Answer-True
With one-way ANOVA, there will be a greater chance of rejecting the null hypothesis when more
variation in the data is due to the SSB rather than the SSW. - Answer-True