# 5.2 PROBLEMSvwC299on taiТуреAВReplacedRepairedNot ReturnedC1261087829658significant difference among the reliabilities of the different radioDoes there seem to be atypes? If so, which ones seem to be different?The amount of iron present in the livers of white rats is measured after the animals hadfed one of five diets for a prescribed length of time. There were 10 animals randomly5.beenassigned to each of the five diets.Diet ADiet BDiet CDiet DDiet E2.235.594.501.351.401.140.963.921.061.512.636.9610.330.742.491.001.238.230.961.74re A D1.591.351.612.071.162.012.944.902.081.36mo bsand1.641.966.840.693.00he1.133.686.420.684.811.011.543.720.845.211.702.596.001.345.12Do the different diets appear to affect the amount of iron present in the livers?Twelve volunteers were assigned to each of three weight-reducing plans. The assignment6.of the volunteers to the plans was at random, and it was assumed that the 36 volunteersin all would resemble a random sample of people who might try a weight-reducingprogram. Test the null hypothesis that there is no difference in the probability distributionsof the amount of weight lost under the three programs against the alternative that thereis a difference. The results are given as the number of pounds lost by eachperson.Plan CPlan BPlan A2 1717 5 29 52512 4 15 6 33 1925 32242554 6 19 426 21 5 9h 11368 6 14 7287 20ROBLEMSShow that Equations 3 and 5 are equivalent when there are no ties.2. Find the exact distribution of the Kruskal-Wallis test statistic when Ho is true, n1 3,1.

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Step 1

6.

The hypotheses are given below:

Null hypothesis:

H0: There is no difference in the probability distributions of the amount of weight lost under the three programs.

Alternative hypothesis:

H1: There is difference in the probability distributions of the amount of weight lost under the three programs.

Step-by-step procedure to obtain the test statistic using MINITAB software:

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