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MATH 255N Week 1 Assignment, Variables and Measures of Data – Question and Answers

1. Which of the following best describes the term explanatory variable?
2. Which of the following best describes the term qualitative?
3. A zoologist measures the birthweight of each cub in a litter of lions. What is the level of … measurement of the data?
4. Margaret is investigating if gender has any effect on political party associations. What is the response variable?
5. Timothy is collecting data on number of dental cavities. What type of data is this?
6. To determine whether or not number of siblings influences grade point average, Charles has designed a … survey. What is the explanatory variable?
7. What is the type of quantitative data that is the result of measuring?
8. A new mother keeps track of the time when her baby wakes up each morning. What is the level of measurement of the data?
9. A response variable is the dependent variable in an experiment.
10. Discrete data is the type of quantitative data that is the result of counting.
11. A political researcher asks people if they Strongly Disagree, Disagree, Agree, or Strongly Agree with various policy decisions. What is the … level of measurement of the data?
12. Which of the following best describes the term response variable?
13. A climate scientist keeps track of the daily temperature, in degrees Fahrenheit, of a lake over the course of six weeks. What is the level of measurement of the data?
14. Given that Ruth is collecting data on political party preference, what type of data is she working with?
15. Janice is investigating if grade level has any effect on time spent studying. What is the explanatory variable?
16. A restaurant surveys its patrons to find their favorite item on the menu. What is the level of measurement of the data?
17. Which of the following is the independent variable in an experiment?
18. Angela is collecting data on the number of … classes that students take. What type of data is this?
19. A pollster surveys voters and asks which candidate they support in the upcoming election. What is the level of measurement of the data?
20. Given that Janet is collecting data on favorite sports teams, what type of data is she working with?
21. To determine whether or not grade level influences time spent studying, Samuel has designed a survey. What is the … response variable?
22. A chef keeps track of the … temperature of his refrigerator in degrees Celsius. What is the level of measurement of the data?
23. What term best describes data that is an attribute whose value is indicated by a label?
24. Karen is investigating if age has any effect on political party preferences. What is the explanatory variable?
25. A market researcher surveys households to ask what brand of shampoo is preferred. What is the level of measurement of the data?
26. Thomas is investigating if gender has any effect on political party associations. Which of the following gives the explanatory and … response variables respectively?
27. Given that Angelina is collecting data on commute distance, what type of data is she working with?
28. A restaurant asks its patrons to rate the speed of the service. The options are Very Slow, Somewhat Slow, Somewhat Fast, Very Fast. What is the level of … measurement of the data?
29. Edward has created an experiment to test whether or not height has any effect on red blood cell count. Which of the following gives the … explanatory and response variables, respectively, in this situation?
30. What type of data is collected if Maria is studying eye color?