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- 1. Multiple ChoiceWhat is definition of null hypothesis?The independent variable has no effect on the dependent variable for the populationThe independent variable does have an effect on the dependent variableThe dependent variable has no effect on the independent variableThe dependent variable does have effec on the independent variable
- 2. Multiple ChoiceIf the alpha level is increased from 0.01 to 0.05, then the boundaries for the critical region move farther away from the center of the distribution.TrueFalse
- 3. Multiple ChoiceTo check the normality test using Shapiro-Wilk, if the p-value is more than 0.05?The data is significantThe data is not normalThe data is normalReject null hypothesis
- 4. Multiple ChoiceTo check the normality test using Shapiro-Wilk, if the p-value is below 0.05?Accept null hypothesisReject null hypothesisFailed to reject null hypothesisReject alternative hypothesis
- 5. Multiple ChoiceDefine a Type I error?The failure to reject a false null hypothesisRejecting a true null hypothesisThe acceptance to reject a null hypothesisAccepting a true null hypothesis
- 6. Multiple ChoiceIf a sample mean is in the critical region with alpha level 0.05, it would still (always) be in the critical region if alpha were changed to 0.01?FalseTrue
- 7. Multiple ChoiceIf a sample mean is in the critical region with alpha level 0.01, it would still(always) be in the critical region if alpha were changed to 0.05?FalseTrue
- 8. Multiple ChoiceIn a research report, the term "significant" is used when the null hypothesis is rejected.TrueFalse
- 9. Multiple ChoiceIn a research report, the results of a hypothesis test include the phrase " z=3.15, p<0.01". This means that the test failed to reject the null hypothesis.TrueFalse
- 10. Multiple ChoiceA z-score value in critical region means that you should reject the null hypothesis.TrueFalse
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