A Commuter Travels Many Kilometres to Work Each Morning

question 67

Multiple Choice

A commuter travels many kilometres to work each morning.She has timed this trip 5 times during the last month.The time (in minutes) required to make this trip was 34, 39, 41, 35, and 41.The modal time required for this trip was ___.

• A)39
• B)41
• C)37.5
• D)38
• E)35

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Definitions:

Test

A procedure intended to establish the quality, performance, or reliability of something, especially before it is taken into widespread use.

Friedman Test

A method of statistical analysis, non-parametric in nature, designed to reveal differences in treatments through various attempts.

Alternative Hypothesis

In statistical testing, the hypothesis that proposes a difference or effect, contrary to the null hypothesis, suggesting that observations are the result of a real effect.

P-value

In hypothesis testing, the probability of obtaining test results at least as extreme as the results observed, assuming the null hypothesis is true.