IS South Universi ty campus x M D Statistics MAT2058 so3 x P Do Homework -Yujane

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IS South Universi ty campus x M D Statistics MAT2058 so3 x P Do Homework -Yujane x C Secure https://www.mathxl.com/Student/PlayerHomework.aspx?homeworkld 415576786&questionld; 108 flushed false&cld; 43734088back DoAssignments.aspx Apps S My ages South Uni fedloan nv energy X connexus Log In Zenefits Log In Serve from A Movie 10k Watch M Other bookmarks Yujane Lampkin Statistics I MAT2058 S03 (2) Homework: W5: Assignment 2 Homework Save Score: 0 of 6 pts HW Score: 75%, 45 of 60 pts 0 of 10 (10 complete X 10.3.13 Question Help The data show the time intervals after an eruption (to the next eruption) of a certain geyser Find the regression equation. etting the first variable be the independent (x) variable. Find the best predicted time of the interval after an eruption given that the current eruption has a height of 149 feet. Use a significance level of 0.05 108 24 108 52 109 138 37 103 Height (ft) nterval after 77 73 87 69 90 EE Click the icon to view the critical values of the Pearson correlation coefficient r What is the regression equation? y x (Round to two decimal places as needed. Enter your answer in the edit fields and then click Check Answer. part Clear All Check Answer remaining

Explanation / Answer

(a) The regression equation is y = 30.54 + 0.40x

(b) When x = 149 ft, y = 30.54 + 0.40(149) = 90.14 minutes

Regression Analysis r² 0.623 n   8 r   0.790 k   1 Std. Error   6.096 Dep. Var. y ANOVA table Source SS   df   MS F p-value Regression 369.0600 1   369.0600 9.93 .0198 Residual 222.9400 6   37.1567 Total 592.0000 7   Regression output confidence interval variables coefficients std. error    t (df=6) p-value 95% lower 95% upper std. coeff. Intercept 30.5420 0.000 x 0.4001 0.1269 3.152 .0198 0.0895 0.7107 0.790

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