The Local Amusement Park Was Interested in the Average Wait

question 107

Multiple Choice

The local amusement park was interested in the average wait time at their most popular roller coaster at the peak park time (2 p.m.) . They selected 13 patrons and had them get in line between 2 and 3 p.m. Each was given a stopwatch to record the time they spent in line. The times recorded were as follows (in minutes) . 118, 124, 108, 116, 99, 120, 148, 118, 119, 121, 45, 130, 118
What is the 65th percentile?

• A) 99
• B) 120
• C) 130
• D) 112
• E) 45

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Definitions:

Measure of Variability

A measure of variability is a summary statistic that represents the amount of dispersion in a dataset, examples include range, variance, and standard deviation.

Measure of Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, such as the mean, median, or mode.

Statistic

A numerical value that summarizes or describes an aspect of a sample.

Parameter

A measurable characteristic that describes an aspect of a population in statistical analysis.