Question

Recent surveys have shown that the average time a typical 60 year old man leaves on a Therma Care wrap is 43.5 minutes . Jergel, a 60 year old, believes this time has changed for him over the years and claims it is significantly different. His sample average was 45.6 minutes with a stdev of 8.1 minutes. Test Jergel’s claim ( at 99%) by answering the questions that follow---use a 99% confidence level and sample size of 64 attempts. PROVIDE A DETAILED TEST by answering the questions below.----- DO NOT USE THE P-

A STATE THE APPROPRIATE H1; YOUR ANSWER MUST BE IN THE PROPER FORMAT

B STATE THE APPROPRIATE H0; YOUR ANSWER MUST BE IN THE PROPER FORMAT

C STATE THE CLAIM—USE THE CORRECT FORMAT

D STATE THE TEST VALUE(S)

E STATE THE CRITICAL VALUE(S)

F chose proper figure (a) right tailed (b) left tailed (c) two tailed (d) none of the above and why

G AFTER PLACING THE CRITICAL VALUE(S) AND THE TEST VALUE ON THE PROPER FIGURE, THE TEST VALUE IS : X. IN THE CRITICAL REGION(S) Y. IN THE NON CRITICAL REGION(S) Z. EXACTLY ON THE CRITICAL VALUE(S)

H What is the decision ? A. REJECT H0 B. REJECT H1 C. DO NOT REJECT H0 D. DO NOT REJECT H1 E. NONE OF THESE ANSWERS

I State the conclusion : A. JERGEL IS CORRECT, THE TIME HAS CHANGED B. JERGEL IS INCORRECT, THE TIME HAS NOT CHANGED C. BOTH OF THESE D. NEITHER OF THESE

Answer 1