All but One of the Statements Below Contain a Mistake

question 114

Multiple Choice

All but one of the statements below contain a mistake. Which one could be true?

• A) The correlation between a person's age and vision (20/20?) is r = -1.04.
• B) The correlation between blood alcohol level and reaction time is r = 0.73.
• C) There is a high correlation between cigarette smoking and gender.
• D) The correlation between the species of tree and its height is r = 0.56.
• E) The correlation between age and weight of a newborn baby is r = 0.83 ounces per day.

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Definitions:

Variance

A measure of the dispersion or spread in a set of data points, indicating how much the numbers in the dataset differ from the mean.

Probability

A measure of the likelihood of a specific outcome or event occurring.

Crash Cost

The extra costs incurred to reduce the time of project activities in project management to accelerate project completion.

Normal Duration

The typical amount of time expected under normal conditions to complete a task or process, often used in project planning and scheduling.