# WVU STAT 511 - Sample Test Questions (3 pages)

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# Sample Test Questions

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## Sample Test Questions

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Lecture Notes

Pages:
3
School:
West Virginia University
Course:
Stat 511 - Statistical Methods 1

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1 A study compares four groups with six observations in each group How large does the F statistic need to be for rejecting the null hypothesis at the 5 significance level A 2 78 B 2 87 C 3 01 D 3 10 2 In a study comparing four groups with six observations in each group the MSE 487 and the MSG 3456 What is the value of the coefficient of determination A 0 484 B 0 516 C 0 587 D 0 939 3 A study compares six groups with five observations in each group An F statistic of 4 012 is reported What can we say about the P value for this F test A P value 0 001 B 0 001 P value 0 005 C 0 005 P value 0 01 D 0 01 P value 0 05 Use the following to answer questions 4 5 A study was conducted to compare 5 different training programs for endurance Fortyfive subjects were randomly divided into five groups of nine subjects in each group A different training program was assigned to each group After two 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 F statistic is 3 69 4 What can we say about the P value for this F test B 0 01 P value 0 025 C 0 025 P value 0 05 A P value 0 01 D 0 05 P value 0 10 5 At a 0 05 what is the appropriate conclusion about improvement in endurance A The average amount of improvement appears to be the same for all training programs B The average amount of improvement appears to be different for all training programs C It appears that at least one of the five training programs has a different average amount of improvement than at least one of the others D One training program is significantly better than the other four Use the following to answer question 6 A storeowner wishes to compare the average amount of money high school and college students spend on DVDs He randomly selects ten students from three different student populations high school students undergraduate students and graduate students The statistical assumptions required to perform a one way ANOVA to compare

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