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A researcher conducted a study with «=1 5 participants to investigate strength gains from…

A researcher conducted a study with «=1 5 participants to investigate strength gains from exercise. The participants were divided into three groups and given one of three treatments. Participants' strength gains were measured and ranked. The rankings are presented in Table 6.8. Use a Kruskal-Wallis H-test with a = 0.05 to determine if one or more of the groups are significantly different. If a significant difference exists, use two-tailed Mann-Whitney U-tests to identify which groups are significantly different. Use the Bonferroni procedure to limit the Type I error rate. Report your findings.

A researcher conducted a study with «=1 5 participants to investigate strength gains from...