a Develop a linear regression equation for air conditioner sales as a function of the average weekly temperature. b Forecast air conditioner sales if the average weekly temperature is 88 degrees Fahrenheit. c Evaluate the "goodness of fit" of the regression equation by computing the values of R2, r, and Sxy and interpret the results.

a Develop a linear regression equation for air conditioner sales as a function of the average weekly temperature. b Forecast air conditioner sales if the average weekly temperature is 88 degrees Fahrenheit. c Evaluate the "goodness of fit" of the regression equation by computing the values of R2, r, and Sxy and interpret the results.

Marketing

20th Edition

ISBN:9780357033791

Author:Pride, William M

Publisher:Pride, William M

Chapter6: Target Markets: Segmentation And Evaluation

Section: Chapter Questions

Problem 17DRQ: Under what conditions might a firm use multiple forecasting methods?

See similar textbooks

Similar questions

Under what conditions might a firm use multiple forecasting methods?
1. The number of bushels of apples sold at a roadside fruit stand over a 12-day period were PROBLEMS as follows: Day Numbar Sold Day Number Sold 25 35 31 29 33 32 38 10 40 37 32 34 11 37 12 If a two-period moving average has been used to forecast sales, what were the daily forecasts starting with the forecast for day 3? If a four-period moving average has been used, what were the forecasts for eacn uay starting with day 5? Plot the original data and each set of forecasts on the same graph. Which forecast has the greater tendency to smooth? Which forecast has the better ability to respond quickly to changes? What does use of the term sales instead of demand imply? b. C. 2. If exponential smoothing with a = .4 had been used to forecast daily sales for apples in Problem 1, determine what the daily forecasts would have been. Then, plot the original data, the exponential forecasts, and a set of naive forecasts on the same graph. Based on a visual comparison, is the naive more accurate or…
K The following table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks: a) The forecasted demand for the week of October 12 using a 3-week moving average Week Of August 31 September 7 September 14 September 21 September 28 October 5 Pints Used 350 389 408 378 366 371 pints (round your response to two decimal places).
1. The number of bushels of apples sold at a roadside fruit stand over a 12-day period were as follows: Day Numbar Sold Day Number Sold 25 35 31 8. 32 29 9. 10 38 33 34 37 40 37 32 11 12 If a two-period moving average has been used to forecast sales, what were the daily forecasts starting with the forecast for day 3? If a four-period moving average has been used, what were the forecasts for eacn uay starting with day 5? Plot the original data and each set of forecasts on the same graph. Which forecast has the greater tendency to smooth? Which forecast has the better ability to respond quickly to changes? What does use of the term sales instead of demand imply? a. b. C. 123 4 56
The materials handling manager of a manufacturing company is trying to forecast the cost of maintenance for the company's fleet of over-the-road tractors. The manager believes that the cost of maintaining the tractors increases with their age. The following data was collected: Age (years) 6.5 Yearly Maintenance Cost ($) Yearly Maintenance Age (years) Cost (S) 819 8.0 1,394 5.5 1.249 2.5 363 6.5 1,233 2.5 382 7.0 695 9.0 964 6.0 923 8.0 1,573 1,178 6.0 881 3.0 7.0 1,090 3.0 666 7.0 1,722 3.0 749 7.5 1,187 a. Use POM for Windows' least squares-linear regression module to develop a relationship to forecast the yearly maintenance cost based on the age of a tractor. (Enter your responses rounded to three decimal places and include a minus sign if necessary.) Y=D+x where Y = Yearly maintenance cost in dollars and X = Age in years.
K The following table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks: Week Of August 31 September 7 September 14 September 21 September 28 October 5 - Pints Used 350 370 412 378 371 378 a) The forecasted demand for the week of October 12 using a 3-week moving average = 375.67 pints (round your response to two decimal places). b) Using a 3-week weighted moving average, with weights of 0.15, 0.30, and 0.55, using 0.55 for the most recent week, the forecasted demand for the week of October 12 = decimal places and remember to use the weights in appropriate order the largest weight applies to most recent period and smallest weight applies to oldest period.) pints (round your response to two
I The following table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks: Week Of August 31 September 7 September 14 September 21 September 28 October 5 Pints Used 345 389 412 383 366 371 a) The forecasted demand for the week of October 12 using a 3-week moving average = 373.33 pints (round your response to two decimal places). b) Using a 3-week weighted moving average, with weights of 0.10, 0.35, and 0.55, using 0.55 for the most recent week, the forecasted demand for the week of October 12 = pints (round your response to two decimal places and remember to use the weights in appropriate order recent period and smallest weight applies to oldest period.) the largest weight applies to most
The following table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks: a) The forecasted demand for the week of October 12 using a 3-week moving average = Week Of August 31 September 7 September 14 September 21 September 28 October 5 pints (round your response to two decimal places). Pints Used 345 389 408 381 371 374
Obtain estimates of daily relatives for the number of customers at a restaurant for the evening meal, given the following data. a. Use the centered moving average method. (Hint: Use a seven-day moving average.)b. Use the SA method.Day Number Served1 802 753 784 955 1306 1367 408 829 7710 8011 9412 13113 13714 4215 8416 7817 8318 9619 13520 14021 4422 8723 8224 8825 9926 14427 14428 48
The following table gives the number of pints of type A blood used at Damascus Hospital in the past 6 weeks: Week Of August 31 September 7 September 14 September 21 September 28 October 5 Pints Used 350 370 410 383 368 374 a) The forecasted demand for the week of October 12 using a 3-week moving average=pints (round your response to two decimal places).
If a three-month moving average is used to smooth this series, what would have been the forecast for May? The following table contains the number of complaints received in a department store for the first 6 months of operation: MONTH COMPLAINTS January 37 February 48 March 84 April 96 May 114 June 148 If a three-month moving average is used to smooth this series, what would have been the forecast for May? 114 121 76 73
The following data are for calculator sales in units at an electronics store over the past nine weeks: Week 1 2 3 4 5 Obtain the error measures. (Enter your responses rounded to two decimal places.) CFE MSE Sales Find the coefficient of determination (²). The coefficient of determination r² = 0. (Enter your response rounded to two decimal places.) 44459 46 51 58 Use trend projection with regression to forecast sales for weeks 10-13. What are the error measures (CFE, MSE, 6, MAD, and MAPE) for this forecasting procedure? How about r²? Obtain the trend projection with regression forecast for weeks 10-13. (Enter your responses rounded to two decimal places.) Forecast, Ft Period 10 11 12 13 Week 6 69809 7 Sales 54 63 53 61 MAD U MAPE %