You want to test to see if day of the week affects people’s happiness level. For various reasons you choose to use a Kruskal-Wallis test when analyzing your data. Calculate the statistic, state the critical value, and then come to a conclusion about days of the week and happiness. The numbers represent happiness.
Monday Wednesday Friday
45 47 68
39 25 57
76 48 89
65 67 85
54 42 72
79 40 55
38 48
66
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