Which of the Following Statements Are Not True

question 37

Multiple Choice

Which of the following statements are not true?

• A) When at least one of the sample sizes in a two-sample problem is small, the t test requires the assumption of normality (at least approximately).
• B) The Wilcoxon rank-sum test statistic W is the sum of the ranks in the combined (X, Y) sample associated with X observations.
• C) Because the Wilcoxon rank-sum test statistic W has a continuous probability distribution, there will always be a critical value corresponding exactly to one of the usual levels of significance.
• D) All of the above statements are true.
• E) None of the above statements are true.

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Definitions:

Gasping

The act of taking quick, short breaths through the mouth, often as a result of shock, surprise, or needing air.

Mortality Rates

The measure of the number of deaths (in general, or due to a specific cause) in a particular population, scaled to the size of that population, per unit of time.

Sleeping Hours

Sleeping hours refer to the duration of time that an individual spends in sleep within a 24-hour period.

Night Terror

A sleep disorder causing feelings of terror or dread, and typically occurs during non-REM sleep.