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Exam 1: What Is Statistics

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Question 31

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

A) Nominal
B) Ordinal
C) Interval or ratio
D) Descriptive

E) A) and C)
F) A) and D)

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Question 32

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

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Question 33

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Statistics are used as a basis for making decisions.

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

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.

The "highest" level of measurement is _______________.

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.

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

The "lowest" level of measurement is ____________.

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

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?

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:

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

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

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

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

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

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?

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