Exam 1: What Is Statistics

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 "highest" level of measurement is _______________.

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.

When TV advertisements report "2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients," an informed consumer may question the conclusion because:

The branch of mathematics used to facilitate the collection,organization,presentation,analysis and interpretation of numerical data is referred to as a statistics.

The typical number of passengers on commercial flights between Chicago and New York city is an example of a statistic.

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

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

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

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?

The "lowest" level of measurement is ____________.

Statistics are used as a basis for making decisions.

A scale used to measure a quantitative variable is either _______________ or _______________.

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

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

Ranked data is an example of what level of measurement? ________________

The ordinal level of measurement is considered the "lowest" level of measurement.

The reported unemployment is 5.5% of the population.What type of scale is used to measure unemployment?

The monthly Consumer Price Index is called a(n)_______________.

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