Smart Phone covers sales for the past 12 months is given below. Management forecast's for the months of March, April, May, and June are listedMonthUnit SalesManagement's ForecastJulAug SepOctNovDecJanFebMarAprMayJun100959511212611895851019489110122114108112a) What is the MAD for the forecast developed by management sales (round your response to two decimal places)What in the MAPE for the forecast developed by management % (round your response to two decimal places).%3D

MAD shows the average deviations of the forecasted values in comparison to actual sales. MAPE is…

Answered: 101 Management's Forecast 122 114 a)…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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ABC Inc. sells patio sets. Monthly sales for a seven-month period were as follows: Month Sales (000) Unites Feb 19 Mar 18 Apr 15 May 20 Jun 18 Jul 22 Aug 20 Forecast September sales volume using a five-month moving average approach.
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Given the following historical data, what is the simple three-period moving average forecast for period 6? Period 1 2 3 4 5 67.67 68.2 67.3 68.4 Value 73 66 64 73 66
A forecasting method has produced the following over the past five months. What is the mean absolute percentage error (MAPE)? Actual 11 OA. 0.00% B. 31.87% 5178 11 13 Forecast 13 10 30668 $7
Respond to each of the items using the following time series data. Period Demand 144 2 172 3 157 4 160 144 181 7 160 8 176 9. 149 10 183 11 182 12 149 13 153 14 164 15 153 16 104 Click here for the Excel Data File b. Compute all possible forecasts using a five-period moving average. (Round your answers to 1 decimal place.) Absolute Period Demand 5-period SMA Errors 1 144 172 3 157 4. 160 5 144 181 7 160 8 176 9 149 10 183 11 182 12 149 13 153 14 164 LO
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Q1) Forecasting is both art and science. Describe the situations where we use Qualitative forecasting techniques and quantitative forecasting techniques
1. The following table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks: Part 2 Week Of Pints Used August 31 350 September 7 372 September 14 412 September 21 381 September 28 366 October 5 378 Part 3 a) The forecasted demand for the week of October 12 using a 3-week moving average LOADING... = _____________pints (round your response to two decimal places).
a. Using POM for Windows' least squares-linear regression module, develop a relationship to forecast production ratings from test scores. (Round your responses to three decis and include a minus sign if necessary.) Y= - 23 + .945 x where Y = Production rating and X = Test score. b. If a worker's test score was 54, what would be your forecast of the worker's production rating? 51. (Enter your response as an integer.) c. Comment on the strength of the relationship between the test scores and production ratings. The coefficient of correlation for the least-squares regression model is and the coefficient of determination is (Enter your responses rounded to three decimal places.) More info Test Score Production Rating Production Test Worker Worker Rating Score A 55 43 K 58 57 B 38 43 75 75 93 87 67 48 D 86 77 31 26 E 88 82 62 49 F 66 68 24 25 G 55 47 Q 78 84 Clear all Check 50 46 34 32 41 41 51 58 J 69 74 T 39 30 Print Done LLMN OPoRS
Please do not give solution in image formate thanku. Bradley's Copiers sells and repairs photocopy machines. The manager needs weekly forecasts of service calls so that he can schedule service personnel. Use the actual demand in the first period for the forecast for the first week so error measurement begins in the second week. The manager uses exponential smoothing with α = 0.5 Forecast the number of calls for week 6, which is next week. WEEK ACTUAL SERVICE CALLS 1 28 2 32 3 40 4 27 5 30
Passenger miles flown on Northeast Airlines, a commuterfirm serving the Boston hub, a re shown for the past 12weeks: a) Assuming an initial forecast for week I of 17,000 miles, useexponential smoothing to compute miles for weeks 2 through12. Use a= .2b) What is the MAD for tlus model?c) Compute the Cumulative Forecast Errors and tracking signals. Are they within acceptable limits?
second answer of part b

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101 Management's Forecast 122 114 a) What is the MAD for the forecast developed by management sales (round your response to wo decimal places). What is the MAPE for the forecast developed by management % (round your response to two decimal place)