Aug 29 B1 Quiz Section 1.2 Data Classification

Determine whether the data are qualitative or quantitative.

Explain your reasoning. Select all that apply.

The ages of a sample of 350 employees of a software company

• Qualitative

• Quantitative

• Because ages are numerical measurements

• Because ages are labels for employees

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CCSS.HSS.ID.B.5

Determine whether the data are qualitative or quantitative.

Explain your reasoning. Select all that apply.

The zip codes of a sample of 200 customers at a sporting goods store

• Qualitative

• Quantitative

• Because zip codes are labels for customers

• Because zip codes are numerical measurements for customers

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CCSS.HSS.ID.B.5

Determine whether the data are qualitative or quantitative.

Explain your reasoning. Select all that apply.

The revenues of the companies on the Fortune 500 list

• Qualitative

• Quantitative

• because revenues are numerical measures on the Fortune 500 List

• because revenues are labels on the Fortune 500 list

Determine whether the data are qualitative or quantitative.

Explain your reasoning. Select all that apply.

The marital statuses of all engineers at an electric utility

• Qualitative

• Quantitative

• because marital statuses are attributes

• because marital statuses are non-numerical labels

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CCSS.HSS.ID.B.5

Determine the level of measurement of the data set. Explain. Select all that apply.

The daily high temperatures (in degrees Fahrenheit) for Sacramento, California, for a week in September are listed. (Source: National Climatic Data Center) 90 80 76 84 91 94 97

• It does not makesense to say that 84 degrees is 1.05 times as hot as 80 degrees.

• Ordinal

• Interval

• Ratio

• The data can be ordered and meaningful differences can be calculated,

Determine the level of measurement of the data set. Explain. Select all that apply.

The vehicle size classes for a sample of sedans are listed.

Minicompact Subcompact Compact Mid-size Large

• Nominal

• Ordinal

• Ratio

• The data are qualitative

• The data can be arranged in order of car size

Determine the level of measurement of the data set. Explain. Select all that apply.

The four departments of a printing company are listed. Administration Sales Production Billing

• Nominal

• Ordinal

• Interval

• The data are qualitative.

• The data cannot be arranged in a meaningful order.

Determine the level of measurement of the data set. Explain. Select all that apply.

The total compensations (in millions of dollars) of the ten highest-paid CEOs at U.S. public companies are listed. (Source: Equilar, Inc.)

$94.6 $56.4 $54.1 $53.2 $53.2 $51.6 $47.5 $43.5 $39.2 $37.0

• Ordinal

• Interval

• Ratio

• The data is quantitative.

• It makes to say that $53.2 million is 1.12 times as much as $47.5 million

What are the Success Criterias for Section 1.2 on Data Classification. Select all that apply.

• •  Distinguish between qualitative data and quantitative data.

• Give a definition of statistics.

   

• • Classify data with respect to the four levels of measurement: nominal, ordinal, interval, and ratio.

• Distinguish between a population and a sample.

   

• Distinguish between a parameter and a statistic.