Inclusion of the interaction

Assignment Help Basic Statistics

Reference no: EM13995440

The Air Transport Association has reported the following kinds of information describing 23 individual U.S. airlines: total operating revenue, number of aircraft, number of employees, and number of aircraft departures.

a. Fit a first-order model of the form E(y) 5 {30 1 {31x1 1 {32x2. Interpret the R2 value for the model and indicate whether, at the 0.01 level, the model is significant.

b. Repeat part (a), but with an interaction term included. Interpreting the R2 value, to what extent has inclusion of the interaction term improved the model's explanatory power?

Reference no: EM13995440

Questions Cloud

Problem regarding the linear regression model : Four predictor variables are being considered for use in a linear regression model. Given the accompanying correlation matrix, does it appear that multicollinearity could be a problem?

Find the velocities of the two steel balls : The collision is elastic and all motion is in one dimension. (Nothing bounces off at an angle.) Find the velocities of the two steel balls in terms of m and v0.

Explanatory power of the regression equation : Comment on the explanatory power of the regression equation and interpret the partial regression coefficients.

Use balanced criteria for ethical decision making : Assuming you were in their position, discuss how you would address the problem to ensure that your final decision is fair and balanced, and explain why it is important to use balanced criteria for ethical decision making.

Inclusion of the interaction : Repeat part (a), but with an interaction term included. Interpreting the R2 value, to what extent has inclusion of the interaction term improved the model's explanatory power?

What is survivors guilt : Answer the following questions - Describe the dying process and the legal and ethical considerations that might be confronted. What is "Survivor's Guilt"

Information for a sample of local homes : Data file XR16056 lists the following information for a sample of local homes sold recently: selling price (dol- lars), lot size (acres), living area (square feet), and whether the home is air conditioned (1 5 AyC, 0 5 no AyC).

Evaluate potential grand strategies for the organization : This is an individual assignment, but you will continue to use the same company that is used for the Learning Team's Strategic Plan. In this section, you will be evaluating various strategies and making recommendations for the organization. You wi..

Perform a standard task : An efficiency expert wants to determine whether the time an assembly worker requires to perform a standard task might be related to (1) the number of years on the job and (2) the score on a pre-employment aptitude test. The following data have bee..

User Account

All Pages