Question

7 of 14 (4 complete) HW Score: 26.67%, 4 of 15 pts b Operat Score: 0 of 1 pt My Cour Problem 4.30 Question Help Course Dr. Lillian Fok, a New Orleans psychologist, specializes in treating patients who are agoraphobice, afraid to leave their homes). The following table indicates how many patients Dr. Fok has seen each year for the past 10 years. It also indicates what the robbery rate was in New Orleans during the same year Purchase 1 35 2 33 3 39 4 41 5 42 6 56 7 58 8 53 9 58 10 60 Year Number of Patients Robbery Rate per 1,000 Population Pearson 57.8 61.4 73.0 75.2 81.1 89.0 101.1 95.4 1022 116.2 Assignm The simple linear regression equation that shows the best relationship between the number of patients and year is fround your responses to three decimal places) Results Dynamic where y Modules Dependent Variable and independent Variable Study PI Multime Chapter Commur Tools Enter your answer in the edit fields and then click Check Answer

Answer 1

Number of patients is dependent variable and Robbery rate is independent variable.

Excel regression summary output as follows.

SUMMARY OUTPUT
Regression Statistics
Multiple R	0.954
R Square	0.911
Adjusted R Square	0.900
Standard Error	3.323
Observations	10
ANOVA
	df	SS	MS	F	Significance F
Regression	1	902.175	902.175	81.714	0.000
Residual	8	88.325	11.041
Total	9	990.500
	Coefficients	Standard Error	t Stat	P-value	Lower 95%	Upper 95%
Intercept	2.269	5.113	0.444	0.669	-9.521	14.059
x	0.531	0.059	9.040	0.000	0.395	0.666

Regression equation: y = 2.269 + 0.531 x