Questão 1
Questão
Which of the following is not part of the causes of the bullwhip effect?
Responda
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Price fluctuations
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Order batching
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Forecast Inaccuracies
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Information overload
Questão 2
Questão
In the newsvendor model, if p is the selling price, and c is the cost of buying an item, which of the following is true?
Responda
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The underage cost is p minus c
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The underage cost is c minus p
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The overage cost is p minus c
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The overage cost is c minus p
Questão 3
Questão
In the newsvendor model, if s is the salvage value for unsold items, and c is the cost of buying an item, which of the following is true?
Responda
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The underage cost is s minus c
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The underage cost is c minus s
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The overage cost is s minus c
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The overage cost is c minus s
Questão 4
Questão
A merchandize buyer who intends to sell branded caps for an event to a group of students for $9.95 per cap purchases the same caps from a dealer for $8.40 per cap. After the event the caps retain a salvage value of $3.00 each. The buyer estimates demand to be normally distributed with a mean of 5000 caps and a standard deviation of 20. How many caps should the buyer order?
Questão 5
Questão
According to the video, a prediction of future events used for planning purposes is?
Responda
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Demand
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Forecasting
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Planning
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Trending
Questão 6
Questão
Forecasts are almost always wrong
Questão 7
Questão
Statement 1: Forecasts are more accurate for longer periods than for shorter periods
Statement 2: Forecasts can be excellent substitutes for actual demand
Statement 3: Demand can show random variation over time
Responda
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Only statement 2 and 3 are correct
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None of the statement is correct
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Only statement 3 is correct
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Only statement 1 is correct
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Only statement 2 is correct
Questão 8
Questão
Qualitative forecasting rely on data and analytical techniques
Questão 9
Questão
Statistical techniques such as linear regression are a type of which forecasting method?
Responda
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Qualitative
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Quantitative
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Dominant
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Random
Questão 10
Questão
Quantitative methods are more suited for short term forecasting, while qualitative methods are suited for long term.
Questão 11
Questão
For a particular product, demand for weeks 1-5 is 650, 680, 690, 710, 720, using a 4-period simple moving average to forecast demand for week 6 gives an estimate of?
Questão 12
Questão
According to the video, sometimes we use trial and error to determine the weights for a weighted moving average forecast?
Questão 13
Questão
Which of the following is not true for weighted moving average forecasting?
Responda
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The weights must always add up to 1
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The weights could all be equal
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This forecasting technique can be used to give importance to more recent data
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The weights do not have to add up to 1
Questão 14
Questão
For exponential smoothing, if the alpha value is low, there is a lot of reaction to differences
Questão 15
Questão
[blank_start]Tracking signal[blank_end] is a measure of how often the forecast is above or below actual demand
Responda
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Tracking signal
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Mean Forecast Error
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Mean Absolute Error
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Bias