IL (3r Ken Sharp Juiz: Chapter 10 & 11.4 Quiz This Question: 2 pts 12 of 15 (4 c
ID: 3365434 • Letter: I
Question
IL (3r Ken Sharp Juiz: Chapter 10 & 11.4 Quiz This Question: 2 pts 12 of 15 (4 complete) This Quiz: 30 pts possible Listed below are annual aata tor vanious years. Ihe data are weights (metnc tons) ot impor scatterplot, find the value of the linear correlation coefficient r, and find the P-value using a 0.05, ts there suffcient evidence to conclude that there is a linear correlation between lemon imports and crash fatality rates? Do the results suggest that imported lemons cause car fatalities? ted lemons and car crash tatality rates per TUU Uuu population Constructa Lemon Imports Crash Fatality Rate 231 15.9 264 15.6 357 15.4 484 15 What are the null and alternative hypotheses? Click to select your answer(s)Explanation / Answer
1) option B) is correct (null and alternate hypothesis)
2) option )D is correct (graph)
3)
r = 0.936828
t = -4.63888
4 ) p-value = 0.018878
p-value is less than alpha ,
there is sufficient evidence
SUMMARY OUTPUT Regression Statistics Multiple R 0.936828201 R Square 0.877647078 Adjusted R Square 0.836862771 Standard Error 0.149498496 Observations 5 ANOVA df SS MS F Regression 1 0.480950599 0.480950599 21.51923459 Residual 3 0.067049401 0.0223498 Total 4 0.548 Coefficients Standard Error t Stat P-value Intercept 16.40167133 0.22192827 73.90528168 5.45957E-06 X Variable 1 -0.002629007 0.000566733 -4.638882904 0.018878179