Question

2) The Jack Wilson Health Club claims in advertisements that "you will lose weight after only two days of the Jack Wilson diet and exercise program." The Dade County Bureau of Consumer Affairs conducts a test of that claim by randomly selecting 50 people who have signed up for the G) program. It was found that the 50 people lost an average ( of 0.52 lb., with a standard 0.01 to test the advertised claim deviation of 0.75 lb. Use the significance level of a H us0 and H,:/u>0 State the test statistic and the critical value. Show the rejection region, then state a conclusion.

Answer 1

Ans n So, > 0.5a, 075 and do.o1 Ho O CRight tailud Ha 70 fgechon Raon ht faule st he cauHica vau Per a t yo5 the yechionfer this t 7S ight taud ts Test tatishc: S-o 4.9 3 3Jn Decinon J ebseved at 4.9037.405 Ho Ayectd tat i iscancuded clasm at he papulato onal Bignificne evidemce to Hau is emaug at a o Neater tn o uonul