(A)Estimate a Simple Linear Regression Model Using the Sample Data

question 37

Essay

(A)Estimate a simple linear regression model using the sample data.How well does the estimated model fit the sample data?
(B)Perform an F-test for the existence of a linear relationship between Y and X.Use a 5% level of significance.
(C)Plot the fitted values versus residuals associated with the model in (A).What does the plot indicate?
(D)Diagnose what may be causing the problem seen in the residuals plot in (C).What issue(s)do you identify?
(E)Suggest an alternative model to address the issues identified in (D).Are you able to obtain an improved fit to the data? Explain your answer.

---

Definitions:

Close Friends

Individuals with whom one shares a deep, personal bond, marked by affection, trust, and mutual support.

Casual Acquaintances

These are individuals one knows but is not close to; interactions are often superficial and based on limited, casual social exchanges.

Belongingness

The human emotional need to be an accepted member of a group, whether it is family, friends, colleagues, or within a community.

Prostitutes

Individuals who engage in sexual activities with others in exchange for money or goods.