Is normality assumption crucial considering haiths objective

Assignment Help Management Theories

Reference no: EM131454488

Question: a. Consider the data set analyzed in Section 15.1. Are there any other approaches (other than robust regression) that were presented in the preceding chapters that might be applied in analyzing the data? If so, analyze the data, using whatever method(s) seem appropriate, and compare your results with those given.

b. Is the normality assumption crucial considering Haiths objectives? Would having an approximately normal error term be necessary if Haith wanted to obtain prediction intervals?

c. Consider the additional concerns (beyond nonnormality) of Shapiro and Kiichner that were mentioned in the next-to-last paragraph of Section 15.1. What would you do before using any of the models that were discussed? In general, what action(s) should be taken regarding data that have been used in constructing a model before the model is used?

Reference no: EM131454488

Questions Cloud

What skills you will need for your future career : What skills you will need for your future career.What strategies you will employ to gain the required skills needed for your career choice.

Propose improvements to the business process : Describe the diagram/model. Propose improvements to the business process. Draw a revised process diagram/model that reflects the improved business process.

Describe the given critique statement : Critique the following statement. "Since true models and true effects are almost always nonlinear, we can make the effect of any regressor.

Discuss critical examination of strong and weak emergence : Some authors make distinctions between ‘strong' and ‘weak' emergence - e.g., Chalmers and Bedau. What is the point, or the issues

Is normality assumption crucial considering haiths objective : Consider the data set analyzed in Section 15.1. Are there any other approaches (other than robust regression) that were presented.

Contract with the businesses : Analyze whether the owner formed a contract with the businesses, and apply the five essential elements of an enforceable contract.

What is the author trying to accomplish : What is the author trying to accomplish?What information did the author use, or presuppose, to support the main arguments?

Discuss current or future applications of nanotechnology : Discuss current or future applications of nanotechnology in fields such as medicine, engineering, space exploration, fuel cell development

Find the cutoff for leverage values : Consider the lifespan data discussed. Perform the regression analysis using all of the data points, and then delete those data points that have a standardized.

User Account

All Pages