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Psychology 302 Quantitative Methods

Psychology 302 Quantitative Methods. Review Quiz. 1. Which of the following frequency distributions if positively skewed?. A. A B C. B. C. 1. Which of the following frequency distributions if positively skewed?. A. A B C. B. C. 2. Which of the following is measurement data?.

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Psychology 302 Quantitative Methods

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  1. Psychology 302Quantitative Methods Review Quiz

  2. 1. Which of the following frequency distributions if positively skewed? A • A • B • C B C

  3. 1. Which of the following frequency distributions if positively skewed? A • A • B • C B C

  4. 2. Which of the following is measurement data? • Number of students in psy 302 • First place team • Smith wears jersey number 22 • Ranking scale • c & d

  5. 2. Which of the following is measurement data? • Number of students in psy 302 • First place team • Smith wears jersey number 22 • Ranking scale • c & d

  6. 3. Total jobs at all U.S. auto plants and parts factories will rise 10% to about 650,000 this year, says the Center for Automotive Research. 650,000 jobs is an example of ____ data. • Nominal • ordinal • measurement • A & B • all of the above

  7. 3. Total jobs at all U.S. auto plants and parts factories will rise 10% to about 650,000 this year, says the Center for Automotive Research. 650,000 jobs is an example of ____ data. • Nominal • ordinal • measurement • A & B • all of the above

  8. 4. Which of the following is true of the mean? • The mean uses all the data. • The individual has a mean. • We calculate the mean on Categorical Data • All of the above

  9. 4. Which of the following is true of the mean? • The mean uses all the data. • The individual has a mean. • We calculate the mean on Categorical Data • All of the above

  10. 5. Which of the following is concerned with frequency of values of one variable called X • The mean • the standard deviation • a frequency distribution • the median • all of the above

  11. 5. Which of the following is concerned with frequency of values of one variable called X • The mean • the standard deviation • a frequency distribution • the median • all of the above

  12. 6. We use a sample statistic to estimate a population _____. • Proportion • Standard Deviation • Probability • Proband • Parameter

  13. 6. We use a sample statistic to estimate a population _____. • Proportion • Standard Deviation • Probability • Proband • Parameter

  14. 7. Which of the following is an example of categorical data? • Mary has a 3.75 GPA • Tyrone 13 years old • Tom Brady is number 12 • Newt Gingrich received 11,234 votes • It was 37 degrees this morning

  15. 7. Which of the following is an example of categorical data? • Mary has a 3.75 GPA • Tyrone 13 years old • Tom Brady is number 12 • Newt Gingrich received 11,234 votes • It was 37 degrees this morning

  16. 8. Based on the table below, the University of Texas had a score of 4.2 and a rank of 13. Which of the following is true? • 4.2 is measurement data • 13 is measurement data • 4.2 is categorical data • 13 is categorical data • A and D are true

  17. 8. Based on the table below, the University of Texas had a score of 4.2 and a rank of 13. Which of the following is true? • 4.2 is measurement data • 13 is measurement data • 4.2 is categorical data • 13 is categorical data • A and D are true

  18. 9. A study of a sleeping pill gave the pill to one group of insomniacs and a placebo (sugar pill) to the other. They then measured sleeping time in minutes. The dependent variable is: • which pill they got • the number of subjects in each group • the number of subjects in the treatment group • amount of active ingredient in the pill • sleeping time in minutes

  19. 9. A study of a sleeping pill gave the pill to one group of insomniacs and a placebo (sugar pill) to the other. They then measured sleeping time in minutes. The dependent variable is: • which pill they got • the number of subjects in each group • the number of subjects in the treatment group • amount of active ingredient in the pill • sleeping time in minutes

  20. 10. In a histogram the Y axis always lists: • categorical data • the interval • frequency • the value of X • all of the above

  21. 10. In a histogram the Y axis always lists: • categorical data • the interval • frequency • the value of X • all of the above

  22. Bonus: If the scores are not all the same they vary. We measure this variability with: • The mean • The correlation coefficient • The standard deviation • Skewness • All of the above

  23. Bonus: If the scores are not all the same they vary. We measure this variability with: • The mean • The correlation coefficient • The standard deviation • Skewness • All of the above

  24. 12. Which of the following is a parameter? • X • σ • M • All of the above

  25. 12. Which of the following is a parameter? • X • σ • M • All of the above

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