题目内容

17. In order to be 95% confident you have not committed a Type I error, at what level should you set your p value?

A. 0.95
B. 0.9
C. 0.05
D. 0.01

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16. When examining group difference where no direction of the difference is specified, which of the following is used?

A. One-tailed test
B. Two-tailed test
C. Directional hypothesis
Difference of modes test

15. If the obtained value is greater than the critical value, what should you do?

A. Reject the null hypothesis
B. Accept the null hypothesis
Collect more data
D. Revise your hypotheses

14. Which of the following is Not an example of a chart/graph?

A. Line chart
B. Frequency distribution
C. Bar graph
D. Pie chart

13. This is another word for “lopsidedness”.

A. Skewness
B. Kurtosis
C. Platykurtic
D. Leptokurtic

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