OPSY 5315 - Rao- Exam 2 Study Set | UPDATED
Questions with 100% Verified Answers
Q1: Forecasting time horizons include
A: all of the above
Q2: a. long range
A:
Q3: b. medium range
A:
Q4: c. short range
A:
Q5: d. all of the above
A:
Q6: Qualitative methods of forecasting
A: all except (d)
Q7: include
A:
Q8: a. sales force composite
A:
Q9: b. jury of executive opinion
A:
Q10: c. consumer market survey
A:
Q11: d. exponential smoothing
A:
Q12: e. all except (d)
A:
,Q13: The difference between a moving
A: exponential smoothing is a weighted moving
Q14: average model and an exponential
A: average model in which all prior values are
Q15: smoothing model is that_____________.
A: weighted with a set of exponentially declining
weights
Q16: Three popular measures of
A: mean absolute deviation, mean squared error,
Q17: forecast accuracy are
A: and mean absolute percent error
Q18: a. total error, average error, and
A:
Q19: mean error
A:
Q20: b. average error, median error, and
A:
Q21: maximum error
A:
Q22: c. median error, minimum error,
A:
Q23: and maximum absolute error
A:
Q24: d. mean absolute deviation, mean
A:
Q25: squared error, and mean absolute
A:
,Q26: percent error
A:
Q27: Average demand for iPods in the
A: 1,000 units
Q28: Rome, Italy, Apple store is 800
A:
Q29: units per month. The May monthly
A:
Q30: index is 1.25. What is the seasonally
A:
Q31: adjusted sales forecast for May?
A:
Q32: a. 640 units
A:
Q33: b. 798.75 units
A:
Q34: c. 800 units
A:
Q35: d. 1,000 units
A:
Q36: e. cannot be calculated with the
A:
Q37: information given
A:
Q38: The main difference between
A: simple regression has only one independent
, Q39: simple and multiple regression is
A: variable
Q40: __________.
A:
Q41: The tracking signal is the
A: ratio of the cumulative error to MAD
Q42: a. Standard error of the estimate
A:
Q43: b. cumulative error
A:
Q44: c. mean absolute deviation (MAD)
A:
Q45: d. ratio of the cumulative error to
A:
Q46: MAD
A:
Q47: e. mean absolute percent error
A:
Q48: (MAPE)
A:
Q49: Time-series patterns that repeat
A: seasonality
Q50: themselves after a period of days
A:
Q51: or weeks are called __________
A:
Questions with 100% Verified Answers
Q1: Forecasting time horizons include
A: all of the above
Q2: a. long range
A:
Q3: b. medium range
A:
Q4: c. short range
A:
Q5: d. all of the above
A:
Q6: Qualitative methods of forecasting
A: all except (d)
Q7: include
A:
Q8: a. sales force composite
A:
Q9: b. jury of executive opinion
A:
Q10: c. consumer market survey
A:
Q11: d. exponential smoothing
A:
Q12: e. all except (d)
A:
,Q13: The difference between a moving
A: exponential smoothing is a weighted moving
Q14: average model and an exponential
A: average model in which all prior values are
Q15: smoothing model is that_____________.
A: weighted with a set of exponentially declining
weights
Q16: Three popular measures of
A: mean absolute deviation, mean squared error,
Q17: forecast accuracy are
A: and mean absolute percent error
Q18: a. total error, average error, and
A:
Q19: mean error
A:
Q20: b. average error, median error, and
A:
Q21: maximum error
A:
Q22: c. median error, minimum error,
A:
Q23: and maximum absolute error
A:
Q24: d. mean absolute deviation, mean
A:
Q25: squared error, and mean absolute
A:
,Q26: percent error
A:
Q27: Average demand for iPods in the
A: 1,000 units
Q28: Rome, Italy, Apple store is 800
A:
Q29: units per month. The May monthly
A:
Q30: index is 1.25. What is the seasonally
A:
Q31: adjusted sales forecast for May?
A:
Q32: a. 640 units
A:
Q33: b. 798.75 units
A:
Q34: c. 800 units
A:
Q35: d. 1,000 units
A:
Q36: e. cannot be calculated with the
A:
Q37: information given
A:
Q38: The main difference between
A: simple regression has only one independent
, Q39: simple and multiple regression is
A: variable
Q40: __________.
A:
Q41: The tracking signal is the
A: ratio of the cumulative error to MAD
Q42: a. Standard error of the estimate
A:
Q43: b. cumulative error
A:
Q44: c. mean absolute deviation (MAD)
A:
Q45: d. ratio of the cumulative error to
A:
Q46: MAD
A:
Q47: e. mean absolute percent error
A:
Q48: (MAPE)
A:
Q49: Time-series patterns that repeat
A: seasonality
Q50: themselves after a period of days
A:
Q51: or weeks are called __________
A:
