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Broyles Textbook Exercise 1

Use Excel to complete Exercise 1 on page 247 (Regression Analysis) in the textbook. Answer the questions at the end of the exercise.

While APA format is not required for the body of this assignment, solid academic writing is expected, and documentation of sources should be presented using APA formatting guidelines, which can be found in the APA Style Guide, located in the Student Success Center.

This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

You are not required to submit this assignment to Turnitin.

.Use the “Regression” function in Excel and the data presented in Exercise 2 of Chapter 9 to estimate the linear relation between the number of visits and the age of the patient.Examine the results of the analysis by 1. Interpreting the coefficient of determination 2.Interpreting the square root of the coefficient of determination 3.Interpreting findings presented in the ANOVA table 4.Determining whether the intercept and slope of the sample regression line are significant In your evaluation, let 0.05.

Exercise 2 Chapter 9 Example Question
2.Suppose that we are interested inthe relationship between the ageofthe individuals who are mem-bers ofour managed-care organi-zation and the use ofphysiciancare,as measured by visits.Sup-pose also that after selecting 15members at random we obtainedthe following paired observa-tions:Visits:3 5 4 2 1 3 6 7 4 5 10 1 2 3 8 Age 28 45 50 19 16 27 54 63 3242 68 19 23 30 61Use these data to find the covari-ance between age and the num-ber ofvisits.



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