For Twenty Days a Record Store Owner Counts the Number

question 19

Multiple Choice

For twenty days a record store owner counts the number of customers who purchase an album by a certain artist. The data and a dotplot of the data are shown below: Data set: 1, 3, 4, 4, 5, 6, 7, 2, 3, 4, 4, 5, 6, 8, 2, 3, 4, 5, 6, 7, 9
Which of the following statements can be made using the given information?

• A)On five of the twenty days observed by the record store owner, there were four albums by the artist purchased.
• B)The dotplot shows that this data has a roughly bell- shaped distribution.
• C)During the twenty days when the record store owner collected data, at least one album by the artist was purchased each day.
• D)All of these

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Definitions:

Mono-method Bias

The distortion of research results from the exclusive use of a single method of data collection or analysis.

Exemplars

Representative examples or cases that illustrate a concept, method, or phenomenon within a field of study.

Neutralize

The process of making something ineffective or harmless by counteracting its effects.

Mono-operation Bias

A form of research bias resulting from using only one method or approach to collect data or measure variables, potentially limiting the validity of findings.