Which of the Following Statements Concerning the Box Plot and Z-Score

question 140

Multiple Choice

Which of the following statements concerning the box plot and z-score methods for detecting outliers is false?

• A) The z-score method is less affected by an extreme observation in the data set.
• B) The box plot method uses the quartiles as a basis for detecting outliers.
• C) The z-score method uses the mean and standard deviation as a basis for detecting outliers.
• D) The box plot method is less affected by an extreme observation in the data set.

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Definitions:

Explanatory Variable

A factor in a statistical model that is believed to cause or influence changes in a response variable.

Graduate Internships

Work experience placements offered to students or recent graduates to gain professional skills in their field of study.

Standard Error

A measure of the variability or dispersion of a sampling distribution.

Sampling Distribution

The distribution of chances related to a statistic that comes from drawing a significant number of samples from a particular group of people or items.