6 or 14 (4 complete) Jelf Parent is a statistics instructor who participates in

Question

6 or 14 (4 complete) Jelf Parent is a statistics instructor who participates in triathalons: Listed below are times (in mnutes and seconds) he tecorded while nding a bicycle for five laps through each imile of a 3-mite loop Uise a 0 05 sigiicance level to test the claim that it takes the same time to ride each of the miles. Does one of the miles appear to have a hil? Click the icon to view the data table. What is the conclusion for this hypothesis test? A. Fail to reject Ho There is insufficient evidence to warrant rejection of the claim that the three diflerent mles have the same mean tine @ Daia Tabie B. Fail to reject Ho l OC. Reject Ho There is e different miles have the same mean time, OD. Reject Ho. There is insulicient ordrant the rejtom the csim hark to warrant the rejection of the claim that the three diferent mles have the same mean time sn f f miahane the same mean li Mile 1 :3:21321 3.20 3:18 319 Mile 2 323 319 319 3:20 323 Does one of the miles appear to have a hill Mile 3 320 319 3.18 3-18 320 O A. Yes,these data suggest tiat the econc and rst miles appear to take longet, and a reasonable exrianation s that they both have hits O B. Yes, these data suggest that the third mile appears to take longer, and a reasonabie explanation ie that t has a hil Print Done C. Yes, these data suggest that the frst mle appears to take longer, and a reasonable explanation is that it has a hial o D. Yes, these data suggest that the secone mie appears to take longer, and a reasonable explanation is that t has a hill O E. No, these data do not suggest that any of the miles have a hill click to select your answer 925 PM 9 4 1/17/2013 tD !" @ O Type here to search

Explanation / Answer

Null hypothesis (H0) : Takes the same time to ride each of the miles .

Alternative hypothesis (H0) : Takes the different time to ride each of the miles .

convert data into seconds then we get

now by using Anova single factor in excel we get out as follow

p value > level of significance

0.212331 > 0.05

so accept null hypothesis

conclusion : Answer option ( A)

Does one of the mile appear to have a hill ?

ANSWER : OPTION ( D)

mile 1 mile 2 mile 3 201 203 200 201 199 199 200 199 198 198 200 198 199 203 200

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