BUSI 411 Operations Management Ch 3

fitQtn14 Assignment PrintVia,v

Problem 3-20 An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation and the naive approach. The linear trend equation is F1 = 122 + 2.Ot, and it was developed using data from periods '1 through 10. Based on data for penods 11 through 20 as shown in the table, which of these two methods has the greater accuracy if MAD and MSE are used?

I Units Sold 11 147 12 148 13 151 14 146 15 155 16 152 17 156 18 157 19 158 20 167

MAD (Naive) MAD (Linear) MSE (Naive)

MSE (Linear)

(Click to select) v provides forecasts with less average enor and iess average squared enor.

Worksheet

Problem 3-20

Difficulty:2 Medium

Leaming Objective: 03-05 Summarize forecast enors and use summaries to make decisions.

Leaming Objective:03-07 Use a naive method to make a forecast.

Learning Objective: 03-11 Prepare a linear trend forecast.

award:

4, 5.00 points

b. Determine the delivery charge for transporting a SGpound parcel 20 intermediate calculation. Round your answer to 2 decimal places. response.)

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Problem 3-24 Timely Transport prcvides local delivery service for a number of downtorrvn and suburban businesses. Delivery charges are based on distance and weight involved for each delivery: 30 cents per pound and 20 cents per mile. Also, there is a $20 handling fee per parcel.

a. Develop an expression that summarizes delivery charges. (Round your answers to 2 decimal places. Omit the "$" sign in your response.)

y= $ xt+$ xz+$

miles. (Do not round your Omit the "$" sign in your