Requirements for statistical significance

Assignment Help Operation Management
Reference no: EM131423734

When one of multiple independent variables (X) does not meet the requirements for statistical significance (confidence) between X and Y, what is likely the best change before we use the intercept and slope values for the remaining independent variables (X) to create a forecast model? A. Exclude the independent variable(s) that does not meet the confidence requirement; use current coefficients for the dependent and independent variables which DO meet the confidence requirement B. Exclude the independent variable(s) that does not meet the confidence requirement; re-accomplish the regression analysis without the independent variable(s) that does not meet the confidence requirement C. Nothing; The current intercept and and slope(s) are acceptable.

Reference no: EM131423734

Questions Cloud

What is the mean of the random variable : Suppose that X3 is a chi-square random variable with v3 degrees of freedom, and it is independent of both X1 and X2. Then the random variable, Y = (X1 + X2 - X3) does not follow a chi-square distribution!
Frequent diagnosis of an observed performance problem : A frequent diagnosis of an observed performance problem in an organization is “This person was a selection mistake.” What are the short- and long-term consequences of so-called selection mistakes?
Evaluate the return on equity of your company : Evaluate the Return on Equity of your company. Your Board wants you to increase the ROE. In what ways might you achieve that? What is the value of an attractive ROE
How are the requirements for software determined : How are the requirements for software determined? What are some of the measures/metrics for software? How is software reliability measured? How is software maintainability measured?
Requirements for statistical significance : When one of multiple independent variables (X) does not meet the requirements for statistical significance (confidence) between X and Y, what is likely the best change before we use the intercept and slope values for the remaining independent variabl..
What would you do in future to avoid psychological pitfalls : Consider the last two major purchases you made, and list techniques that may have swayed your choices. Why do you think these techniques impacted your decision? What would you do in the future to avoid these psychological pitfalls?
Write a research document about one of the services : CMPA1980 - Write a research document about one of the services that you are primary forin the network build.
Compare the two sources of ads using a t test : Compare the two sources of ads using a t test. Be sure to state your null and alternative hypotheses, the test statistic with degrees of freedom, the P-value, and your conclusion.
How an advertising agency develops relationship with client : The purpose of this essay is for you to describe the relationship between the client and the advertising agency as well as to describe the process of advertising design. Describe how an advertising agency develops a relationship with a client. Why ..

Reviews

Write a Review

Operation Management Questions & Answers

  Why is vision statement with ideal characteristics

Why is a vision statement with ideal characteristics, rather than ideal interventions allow for more flexibility in how the vision will be accomplished? Develop two vision statements, one using ideal characteristics and one using ideal interventions,..

  Discharged under the doctrine of frustration of purpose

Roger contracted to buy a silver mining company. After contracting, the price of silver fell sharply making it unprofitable to mine silver. Contracts can be discharged (cancelled) by numerous methods as outlined in chapter 19. This means that the par..

  Determine the optimal quantities of decision variables

A wood products firm uses available time at the end of each week to make goods for stock. Currently, two products on the list of items are produced for stock: a chopping board and a knife holder.

  Financial newspapers-midget widget was in financial trouble

Bill and Hillary are friends. Bill has recently retired and now has $450,000 in super. He asks Hillary, an accountant, if he should invest $200,000 of his super funds in Midget Widgets Ltd. Hillary tells Bill that she has looked at the accounts of th..

  Determine the markdown cancellation

The children's department had a gross sales of $325,000 and customer returns of $24,000. Determine the markdown percent if the dollar markdown totaled $57,190. During May, a shop had a net markdown of $940. If total markdowns were $1,890, determine t..

  Discuss the dynamic multicultural and virtual teams

Virtual teaming is fast emerging as a critical phenomenon of global leadership (Bergiel, Bergiel & Balsmeier, 2008; Gatlin-Watts, Carson, Horton, Maxwell, & Maltby, 2007; Lu, Watson-Manheim, Chudoba, & Wynn, 2006). Understanding and leveraging ins..

  Analyze the benefits of on-demand business aviation

What are the qualifications, certifications, and responsibilities of a commercial pilot? What are the qualifications, certifications, and responsibilities of an Air Traffic Controller? Discuss various forecasting techniques normally adopted. Analyze ..

  What factors should contribute to good government

How does a definition of democracy influence the political process?  What factors should contribute to “good” government? What is America today – more like Hobbes, Locke, or Rousseau?

  Explain what a data dictionary is making sure

Explain what a data dictionary is, making sure to include definitions of the terms data element and record in your explanation.

  Compare failure mode and effect and fault tree analysis

Compare and contrast failure mode and effect analysis (FMEA), fault tree analysis (FTA), and management oversight and risk tree (MORT). Which technique do you believe would be most effective for hazard analysis in a facility that primarily perform..

  Why has walmart tended to improve performance

why has walmart tended to improve performance while other retail outlets have been suffering financially.

  What is the business value of security and control

Name and describe the three major capabilities of a DBMS. List and describe the components of a contemporary business intelligence infrastructure. What is business continuity planning? What is the business value of security and control?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd