STAT 350 Practice Final Exam Solution (Spring 2015)
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چکیده
1 PART 1: Multiple Choice Questions: 1) A study was conducted to compare five different training programs for improving endurance. Forty subjects were randomly divided into five groups of eight subjects in each group. A different training program was assigned to each group. After 2 months, the improvement in endurance was recorded for each subject. A one-way ANOVA is used to compare the five training programs, and the resulting p-value is 0.014. At a significance level of 0.05, what is the appropriate conclusion about mean improvement in endurance? a) The average amount of improvement appears to be the same for all five training programs. b) It appears that at least one of the five training programs has a different average amount of improvement. c) The average amount of improvement appears to be different for each of the five training programs. d) One training program is significantly better than the other four.
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