Question

Find the null hypothesis and alternate hypothesis.

When 50 people used the Weight Watchers diet for one year, their mean weight loss was 3.0 lb and standard deviation was 4.9lb. Assume that the population standard deviation is 5.0 lb. Use a 0.01 significance level to test the claim that the mean weight loss is greater than 1.5.



Find the null hypothesis and alternate hypothesis.

H0:     

H1:   p  


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Answer #1

solution. Giren: to nato X=3.0 s= 4.9 x=0.0) lb lb The hull and alternative hypothesis is the Hoil=0 vs Hiiezo Test statisticCritical values t@indl= (0.01,39) = 2.4258 - from table. Decision? Since to = 3.872 >tro.o1,39) = 24258 f p-value <Q=0.0) a.

answered by: ANURANJAN SARSAM
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