BUAL 2650 FINAL EXAM QUESTIONS & ANSWERS
Which of the following possible response variables is most appropriate to predict using
a regression tree? - Answer -rate of return on an investment
Which of the following possible response variables is most appropriate to predict using
a classification tree? - Answer -whether or not a discount club member will renew their
membership.
Which of the following would you find on a classification tree? - Answer -a leaf
Unlike a classification tree, a regression tree enables us to predict the value of a
_______ response variable. - Answer -quantitative
A standard normal distribution has a mean of ________ and standard deviation of
________. - Answer -zero, one
Based on this classification tree, how many credit card holders in the sample conforms
to the bank's Platinum profile? - Answer -20
An MBA applicant has a GMAT score of 650 and an undergraduate GPA of 3.87. Based
on this regression tree, which of the following is the best estimate of this applicant's
MBA GPA if they are admitted into the program? - Answer -3.72
The ________ regression method is used when the response variable is a qualitative or
a categorical variable. - Answer -logistic
The ________ component of a time series measures the fluctuations in a time series
due to economic conditions of prosperity and recession with a duration of approximately
2 years or longer. - Answer -cyclical
The ________ component of a time series reflects the long-run decline or growth in a
time series. - Answer -trend
A confidence interval for the population mean is an interval constructed around the
________. - Answer -sample mean
When the population is normally distributed, population standard deviation σ is
unknown, and the sample size is n = 15, the confidence interval for the population mean
μ is based on - Answer -the t distribution.
________ says that if the sample size is sufficiently large, then the sample means are
approximately normally distributed. - Answer -The Central Limit Theorem
Which of the following possible response variables is most appropriate to predict using
a regression tree? - Answer -rate of return on an investment
Which of the following possible response variables is most appropriate to predict using
a classification tree? - Answer -whether or not a discount club member will renew their
membership.
Which of the following would you find on a classification tree? - Answer -a leaf
Unlike a classification tree, a regression tree enables us to predict the value of a
_______ response variable. - Answer -quantitative
A standard normal distribution has a mean of ________ and standard deviation of
________. - Answer -zero, one
Based on this classification tree, how many credit card holders in the sample conforms
to the bank's Platinum profile? - Answer -20
An MBA applicant has a GMAT score of 650 and an undergraduate GPA of 3.87. Based
on this regression tree, which of the following is the best estimate of this applicant's
MBA GPA if they are admitted into the program? - Answer -3.72
The ________ regression method is used when the response variable is a qualitative or
a categorical variable. - Answer -logistic
The ________ component of a time series measures the fluctuations in a time series
due to economic conditions of prosperity and recession with a duration of approximately
2 years or longer. - Answer -cyclical
The ________ component of a time series reflects the long-run decline or growth in a
time series. - Answer -trend
A confidence interval for the population mean is an interval constructed around the
________. - Answer -sample mean
When the population is normally distributed, population standard deviation σ is
unknown, and the sample size is n = 15, the confidence interval for the population mean
μ is based on - Answer -the t distribution.
________ says that if the sample size is sufficiently large, then the sample means are
approximately normally distributed. - Answer -The Central Limit Theorem
