Stats test assignment 1

True

A sample is a portion or part of the population of interest.

Nominal

If Gallup, Harris, and other pollsters asked people to indicate their political party affiliation as Democrat, Republican, or Independent, the data gathered would be an example of which scale of measurement?

True

Statistics are used as a basis for making decisions.

True

To infer something about a population, we usually take a sample from the population.

Continuous

What type of variable is the number of gallons of gasoline pumped by a filling station during a day?

Ordinal

A bank asks customers to evaluate the drive-thru service as good, average, or poor. Which level of measurement is this classification?

True

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.

True

A population is a collection of all individuals, objects, or measurements of interest.

Sample

A portion or part of a population is called a

Nominal

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?

Color of ink in a pen

An example of a qualitative variable is

False

Categorizing voters as Democrats, Republicans, and Independents is an example of interval level measurement.

sample

If we test a small number of light bulbs from a large group, the small group is called a

ratio

The "highest" level of measurement is

nominal

The "lowest" level of measurement is

Nominal

The Equal Employment Opportunity Act requires employers to classify their employees by gender and national origin. Which level of measurement is this?

False

The Union of Electrical Workers of America with 9,128 members polled 362 members about a new wage package that will be submitted to management. The population is the 362 members.

Descriptive

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

Inferential

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

Statistics

The general process of gathering, organizing, summarizing and interpreting data is called

Ratio

The incomes of 50 loan applicants are obtained. Which level of measurement is income?

Summarize data in a useful and informative manner

The main purpose of descriptive statistics is to:

Tons of concrete to complete a parking garage

Which of the following is an example of a continuous variable

Number of miles between New York City and Chicago

Which one of the following is NOT an example of discrete data?

Predicting

Which word is NOT part of the definition of descriptive statistics?