Understanding Measurement Data and Frequency Distributions
Dive into measurement data concepts and positively skewed frequency distributions. Explore sample statistics, dependent variables, and more in this quantitative methods quiz review.
Understanding Measurement Data and Frequency Distributions
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Psychology 302Quantitative 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? • Number of students in psy 302 • First place team • Smith wears jersey number 22 • Ranking scale • c & d
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
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
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
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
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
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
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
6. We use a sample statistic to estimate a population _____. • Proportion • Standard Deviation • Probability • Proband • Parameter
6. We use a sample statistic to estimate a population _____. • Proportion • Standard Deviation • Probability • Proband • Parameter
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
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
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
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
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
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
10. In a histogram the Y axis always lists: • categorical data • the interval • frequency • the value of X • all of the above
10. In a histogram the Y axis always lists: • categorical data • the interval • frequency • the value of X • all of the above
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
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
12. Which of the following is a parameter? • X • σ • M • All of the above
12. Which of the following is a parameter? • X • σ • M • All of the above