Exam 1: What Is Statistics

Statistics is defined as a body of techniques used to facilitate the collection, organization, presentation, analysis, and interpretation of information for the purpose of making better decisions.

The order that runners finish in a race would be an example of continuous data.

The terms descriptive statistics and inferential statistics can be used interchangeably.

Based on a sample of 3,000 people, the civilian unemployment rate in the United States was 5.5%. 5.5% is referred to as a statistic.

The members of each basketball team wear numbers on their jerseys. What scale of measurement are these numbers considered?

Your height and weight are examples of which level of measurement?

The science of collecting, organizing, presenting, analyzing, and interpreting data is called __________________.

Statistics are used as a basis for making decisions.

Categorizing students as freshmen, sophomores, juniors, and seniors is an example of the ______________ level of measurement.

The branch of statistics that collects, analyzes, and presents data is called _____________ statistics.

Among the many classes held at your college or university, your statistics class has been selected for a study. This one class is referred to as a ____________.

A survey includes a question regarding marital status that has the following responses: single, married, divorced, separated, or widowed. What is the scale of measurement for this question?

What level of measurement is a person's "favorite sport"?

The branch of statistics that does not involve generalizations is called ______________.

Which of the following is an example of a continuous variable?

The names of the positions in a corporation, such as chief operating officer or controller, are examples of what type of variable?

Shoe style is an example of what level of measurement?

A group of women tried five brands of fingernail polish and ranked them according to preference. What level of measurement is this?

A marketing research agency was hired to test a new DVD player. Consumers rated it outstanding, very good, fair, or poor. The level of measurement for this experiment is ordinal.

The branch of statistics that uses sample information to make conclusions about a population is called _________________ statistics.