Which of the following statements is true? a. Univariate data result when a sing

Question

Which of the following statements is true? a. Univariate data result when a single variable is measured on a single experimental unit. b. Bivariate te data result when less than two variables are measured on a single experimental unit. ata result when more than two variables are measured d. Both univari itivariate data result when more than two variables are measured are true. e. Both bivariate data result when less than two variables are measured on a single experimental ate data result when a single variable is measured on a single experimental unit an and multivariate data result when more than two variables are measured are true. 9. Characteristics possessed by experimental units are called a. data sets b. variables c. internal data d. descriptive statistics th 7 million registered vo 10. A politician who is running for the office of governor of a state w commissions a survey. In the survey, 55% of the 10,000 registered voters interviewed say they pla vote for her. The population of interest is the: a. 7 million registered voters in the state b. 10,000 registered voters interviewed c. 55 %, or 5,500 voters interviewed who plan to vote for her d, 45%, or 4,500 voters interviewed who plan not to vote for her e, 55% of the 7 million registered voters in the state 11. A common rule of thumb in constructing a relative frequency histogram is to use: a. less than 5 classes b. between 5 and 12 classes c. more than 10 classes d. any number of classes e.at least 10 classes 12. Which of the following is not recommended when constructing a relative frequency histogr a. equal width classes b. open-ended classes c. mutually exclusive classes d. none of these e. all of these 13. A histogram is usually used to display which of the followi ing characteristics for variable? a. the shape of the distribution b. the spread or variability in the data c. the approximate center of the data d. the spread or variability in the data and the approximate center of the data e. all of these

Explanation / Answer

(8)

The correct answer is that univariate data results when a single variable is measured on a single experimental unit.

(9)

Characteristics possessed by experimental units are called variables.

(10)

The population of interest is the 7 million registered voters in the state.

(11)

A good rule of thumb is to make 5-12 classes.

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