Calculating tracking signal

Assignment Help Operation Management

Reference no: EM13106847

The classified department of a monthly magazine has use a combination of qualitative and quantitative methods to forecast sales of advertising space. results over a 20 month period are as follows. Month Error 1 -8 2 -2 3 4 4 7 5 9 6 5 7 0 8 -3 9 -9 10 -4 11 1 12 6 13 8 14 4 15 1 16 -2 17 -4 18 -8 19 -5 20 -1 a). compute a tracking signal for months 11 through 20. compute an intial value of MAD for month 11, and then update it for each month using exponential smoothing of alpha =.1. what can you conclude assuming limits of plus or minus 4. b). using the first half of the data, construct a control chart with 2s limits. what is the implication of this?

Reference no: EM13106847

Questions Cloud

Determine the values of the slack and surplus variables : For the linear program Max 3A + 2B s.t. A + B ? 4 3A + 4B ? 24 A ? 2 A - B ? 0 A, B ? 0 Write the problem in standard form.

Explain how has the rise of ecuador as a center for rose : Explain how has the rise of Ecuador as a center for rose growing benefited consumers in developed nations who purchase the roses? Illustrate what do the answers to these questions tell you about the benefits of international trade?

Two things shared by many industries with highly motivated : Acceptance of scientific management and centralized decision-making. Clear distinctions between managers and workers and a simple line and staff organizational structure.

Illustrate what is the positive side of this high degree : Illustrate what is the positive side of this high degree of interconnection and Explain how does this benefit patient?

Calculating tracking signal : The classified department of a monthly magazine has use a combination of qualitative and quantitative methods to forecast sales of advertising space.

Understanding standard deviation and z score : Explain thoroughly, the concept of standard deviation. How does range affect standard deviation? What is a z-score, and how do z-scores relate to the mean of a set of data?

Illustrate what are the strengths and weaknesses of his case : He files a product liability suit against Delta, on the ground of negligence. On what basis could Delta prevail? Illustrate what are the strengths and weaknesses of his case?

Illustrate what is the example of otis elevators : The component parts are assembled at its plant in the United States. Otis elevators can be found in buildings all over the world. Illustrate what is the example of Otis Elevators?

Description of z-test : Suppose that, in a sample of 200, we observe 140 successes. Is this sufficient evidence at the 1% significance level to indicate the the population proportion of successes is greater than 65%

User Account

All Pages