What type of variable is the number

单选题 What type of variable is the number of auto accidents reported in a given month?

A、 Interval

B、 Ratio

C、 Continuous

D、 Discrete

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

A、Nominal

B、Ordinal

C、Interval

D、Ratio

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

A、Nominal

B、Ordinal

C、Interval

D、Ratio

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单选题 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?

A、Nominal

B、Ordinal

C、Interval

D、Ratio

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

A、Tons of concrete to complete a parking garage

B、Number of students in a statistics class

C、Zip codes of shoppers

D、Rankings of baseball teams in a league

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单选题 A portion or part of a population is called a

A、Random survey

B、Sample

C、Tally

D、Frequency distribution

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单选题 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:

A、Sample was only 5 dentists.

B、Sample of dentists is clearly explained.

C、Advertisement does not include the total number of dentists surveyed.

D、Conclusion is not illustrated with a graph.

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单选题 The main purpose of descriptive statistics is to:

A、Summarize data in a useful and informative manner.

B、Make inferences about a population.

C、Determine if the data adequately represents the population.

D、Gather or collect data.

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

A、Nominal

B、Ordinal

C、Interval

D、Ratio

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