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Nonparametric Methods in Statistics Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. How many children and teens eat bananas?

Question 2 2. How many of the people surveyed favored football or basketball?

Question 3 3. How many people surveyed favored football or baseball?

Question 4 4. How many teens would not pick chocolate?

Question 5 5. How many adults picked chocolate or vanilla?

Page 2

Question 6 6. Between which of the following data does a chi-square measure the difference?

Question 7 7. The chi-square formula cannot function if the number of observed or expected is below which of the following?

Question 8 8. Which of the following types of data are required in order to run a chi-square?

Question 9 9. You are observing a psychologist run a chi-square. You see the psychologist take his number of categories and subtract 1. Which of the following is the psychologist calculating?

Question 10 10. Which of the following p-values indicates that the findings of the experiment are statistically significant?

Page 3

Question 11 11. Descriptive measures of population data are called:

Question 12 12.

Examples of non-parametric methods include:

I. Wilcoxon signed-rank test

II. Kruskal Wallis test

III. t-test

Question 13 13.

Which of these is NOT a parameter?

I. Population mean

II. Population standard deviation

III. Sample mean

Question 14 14.

Examples of parametric methods include:

I. t-test

II. z-test

III. Mann-Whitney U test

Question 15 15.

The Wilcoxon signed-rank test assumes:

I. Normal distribution

II. Symmetry

III. A specific shape

Page 4

Question 16 16. Power, in terms of parametric and non-parametric methods, is the probability of:

Question 17 17. Why does statistics often refer to being 95% confident and not 100%?

Question 18 18. Identify which of the following is NOT an example of descriptive statistics:

Question 19 19. A candy company is introducing a new brand of chocolate to the market. They have advertised heavily, investing $8,000,000 in New York, but no ads were run in Boston. After analyzing the data, they have found no statistically significant difference between their sales in New York and Boston. Why is this an example of inferential statistics?

Question 20 20. A company is trying to determine what products it should develop in the next 10 years. They are analyzing data from their sales, as well as the data from the leading 10 companies in the industry in order to try and find a pattern of what products could be most successful. What type of statistics is the company using?

Page 5

Question 21 21. Which of the following is NOT done by statistical software?

Nonparametric Methods in Statistics Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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