QMB 3200 MIDTERM EXAM 2024-2025
ACTUAL EXAM 2 VERSIONS (VERSION
A AND B) COMPLETE ACTUAL EXAM
QUESTIONS WITH DETAILED VERIFIED
ANSWERS
Which of the following statements regarding a time series technique is
true? - ✔✔Time series techniques focus on the historical behavior of some
outcome of interest to predict its future behavior.
Which time series technique predicts a future value by combining the
previous prediction and some portion of the error in the prediction? -
✔✔Simple exponential smoothing
Which of the following correlation coefficient values represents the
strongest positive correlation between two factors in a data set? - ✔✔r-
=0.931
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, It is NOT possible for a forecast to be both responsive and inaccurate. -
✔✔False
In a time series, what is a black swan? - ✔✔a particularly high-impact
incident of extreme consequence that is unexpected or considered highly
improbable
Calculating a regression equation for a given set of data identifies the
specific values of ____ - ✔✔the slope and intercept
Averaging forecast errors over time results in the performance measure
known as *****? - ✔✔mean error
What is the ME for the forecast errors of 5, 10, 0, and -3? - ✔✔3
one-time shocks to a time series from a distinctly external influence, such
as a sudden dip in consumer sales after a disruptive event, are called ____
variations - ✔✔exogenous
Several forecasting methods rely on insights from a group of people, but
which method does NOT have the group discuss their opinions? -
✔✔Delphi Groups
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
ACTUAL EXAM 2 VERSIONS (VERSION
A AND B) COMPLETE ACTUAL EXAM
QUESTIONS WITH DETAILED VERIFIED
ANSWERS
Which of the following statements regarding a time series technique is
true? - ✔✔Time series techniques focus on the historical behavior of some
outcome of interest to predict its future behavior.
Which time series technique predicts a future value by combining the
previous prediction and some portion of the error in the prediction? -
✔✔Simple exponential smoothing
Which of the following correlation coefficient values represents the
strongest positive correlation between two factors in a data set? - ✔✔r-
=0.931
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, It is NOT possible for a forecast to be both responsive and inaccurate. -
✔✔False
In a time series, what is a black swan? - ✔✔a particularly high-impact
incident of extreme consequence that is unexpected or considered highly
improbable
Calculating a regression equation for a given set of data identifies the
specific values of ____ - ✔✔the slope and intercept
Averaging forecast errors over time results in the performance measure
known as *****? - ✔✔mean error
What is the ME for the forecast errors of 5, 10, 0, and -3? - ✔✔3
one-time shocks to a time series from a distinctly external influence, such
as a sudden dip in consumer sales after a disruptive event, are called ____
variations - ✔✔exogenous
Several forecasting methods rely on insights from a group of people, but
which method does NOT have the group discuss their opinions? -
✔✔Delphi Groups
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
