Homework Answers
a) FALSE. The absolute difference is divided by the actual value, not the forecast value.
b)FALSE. The absolute difference between the actual value and mean value is taken average not the forecast value.
c)TRUE.
d)FALSE. The difference squares are taken average
e)TRUE.
f)FALSE. The trend is first found by moving average method.
g)FALSE. The trend is found by moving average method
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Which of the following is TRUE (check all the correct choices, wrong answers will incur negative...
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Problem 15-03 (Algorithmic) Consider the following time series data. Week 1 2 3 4 5 6 Value 1914 16 10 17 15 Using the naive method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy: a. Mean absolute error (MAE) b. Mean squared error (MSE) c. Mean absolute percentage error...
Multiple Choice The high level of sales that department stores experience during Christmas is an example...
Multiple Choice The high level of sales that department stores experience during Christmas is an example of what component of a time series? Trend Cyclical Seasonal Irregular Questions 2 – 5 refer to the following time series: Year: 0 1 2 3 4 Sales: 12 14 19 23 18 The value of the three-year centered moving average that corresponds to year 1 will be 15. 14. 18.7. 13.3. The value of the four-year centered...
TEST, I need Help A.S.A.P PLease!!! I need to submit this within the next hour and a half. It's...
1. Regression is always a superior forecasting method to exponential smoothing, so regression should be used whenever the appropriate software is available. (Points :1)TrueFalse2. Time-series models rely on judgment in an attempt to incorporate qualitative or subjective factors into the forecasting model. (Points : 1)TrueFalse3. A trend-projection forecasting method is a causal forecasting method. (Points : 1)TrueFalse4. Qualitative models attempt to incorporate judgmental or subjective factors into the forecasting model. (Points : 1)TrueFalse5. The naive forecast for the next period...
Which one of the following is a good candidate to forecast the cyclical component for the future?...
Which one of the following is a good candidate to forecast the cyclical component for the future? HES SES WES All of the above In OLS, deviations of predicted values from actual values are called Residuals Population errors Random deviations All of the above When computing the MAt, _________ is(are) removed Seasonality and irregular fluctuations Seasonality, irregular fluctuations, and cyclical movements Seasonality and cyclical movements Irregular fluctuations and cyclical movements A common source of unusual coefficient estimate signs and statistical...
please i need asap answer 1. Given the data below, compute for the following: a) Forecasts...
please i need asap
answer
1. Given the data below, compute for the following: a) Forecasts for P5 to P12 using a 4-period simple moving average b) Forecasts for P5 to P12 using a 4-month weighted moving average with the following weights: Most recent period = 0.40 2nd most recent period = 0.30 3rd most recent period = 0.20 4th most recent period = 0.10 Assuming a forecast of 5,000 units for Period 4 and a = 0.30, compute for...
DO NOT ANSWER AT ALL IF YOU ARE ONLY ANSWERING 5 QUESTIONS THANK YOU True or...
DO NOT ANSWER AT ALL IF YOU ARE ONLY ANSWERING 5 QUESTIONS THANK YOU True or false Process design includes selecting the appropriate technology, sizing the process over time, determining the role of inventory in the process, and locating the process. Operations and supply chain strategy is concerned with setting broad policies and plans for using the resources of a firm and must be integrated with corporate strategy. "Social" pertains to fair and beneficial business practices toward labour, the community,...
1.Which of the following are common causes for stockouts? a. Poor forecast accuracy; i.e., underestimate demand...
1.Which of the following are common causes for stockouts? a. Poor forecast accuracy; i.e., underestimate demand b. Shipping issues that delay product arrival c. Parts shortages that limit production d. Excess warehouse capacity e. All of the above f. Only a, b, and c 2.Which of the following is a cost associated with overstock situations? a. Opportunity costs b. Holding costs c. Markdown costs d. Disposal costs e. All of the above f. Only a, b, and c 3.If your...
Given a list of predicted values and a list of their corresponding observed values, complete the...
Given a list of predicted values and a list of their corresponding observed values, complete the function FilterOutliers that computes the error of the data, removes outliers, and re-computes the error. The input arguments: • predicted: A double precision 10 array of size n containing the predicted values. . observed: A double precision 1D array of size n containing the observed values • threshold: A double precision positive scalar that determines if an observation is an outlier. The output arguments:...
The Actual demands in the last 4 periods are given. Which of the following statement is...
The Actual demands in the last 4 periods are given. Which of the following statement is not true? Period Ai Weight 1 10 2 20 0.3 3 30 0.3 4 20 0.4 A. F5=23.33 using Moving Average and n=3 B. F5=20 using Naive Approach C. When the business environment is more dynamic, we tend to choose smaller smoothing constant value. D. F5=23 using Weighted Moving Average when n=3 and the weight is 0.4, 0.3, and 0.3 for period 4, 3,...
Examples 1,2,3 1. Beyond Tea Inc. wants to forecast sales of its menthol green tea. The...
Examples 1,2,3
1. Beyond Tea Inc. wants to forecast sales of its menthol green
tea. The company is considering either using a simple mean or a
three-period moving average to forecast monthly sales. Given sales
data for the past 10 months use both forecasting methods to
forecast periods 7 to 10 and then evaluate each. Which method
should they use? Use the selected method to make a forecast for
month 11. (Show all calculations .... Please read Examples1, 2, 3...
PLEASE ONLY ANSWER IF YOU CAN DO WHAT IS BLANK, I DON'T NEED
HELP WITH WHAT IS FILLED OUT ALREADY. THANK YOU!
Problem 15-03 (Algorithmic) Consider the following time series data. Week 1 2 3 4 5 6 Value 1914 16 10 17 15 Using the naive method (most recent value) as the forecast for the next week, compute the following measures of forecast accuracy: a. Mean absolute error (MAE) b. Mean squared error (MSE) c. Mean absolute percentage error...
please i need asap
answer
1. Given the data below, compute for the following: a) Forecasts for P5 to P12 using a 4-period simple moving average b) Forecasts for P5 to P12 using a 4-month weighted moving average with the following weights: Most recent period = 0.40 2nd most recent period = 0.30 3rd most recent period = 0.20 4th most recent period = 0.10 Assuming a forecast of 5,000 units for Period 4 and a = 0.30, compute for...
Given a list of predicted values and a list of their corresponding observed values, complete the function FilterOutliers that computes the error of the data, removes outliers, and re-computes the error. The input arguments: • predicted: A double precision 10 array of size n containing the predicted values. . observed: A double precision 1D array of size n containing the observed values • threshold: A double precision positive scalar that determines if an observation is an outlier. The output arguments:...
Examples 1,2,3
1. Beyond Tea Inc. wants to forecast sales of its menthol green
tea. The company is considering either using a simple mean or a
three-period moving average to forecast monthly sales. Given sales
data for the past 10 months use both forecasting methods to
forecast periods 7 to 10 and then evaluate each. Which method
should they use? Use the selected method to make a forecast for
month 11. (Show all calculations .... Please read Examples1, 2, 3...
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