You Read About a Study Testing Whether Night Shift Workers

question 73

Multiple Choice

You read about a study testing whether night shift workers sleep the recommended 8 hr/day.Assuming that the population variance of sleep (per day) is unknown,what type of t test is appropriate for this study?

• A) one-sample t test
• B) two-independent-sample t test
• C) There is not enough information to answer this question.

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Definitions:

TsCl

P-toluenesulfonyl chloride, an organic compound used as a reagent in organic synthesis to introduce tosyl groups.

(R)-Pentan-2-Ol

An optically active form of pentanol where the hydroxyl group is attached to the second carbon atom in the pentane chain.

NaI

Sodium iodide, a salt commonly used in organic chemistry as a source of iodide ions in substitution reactions.

TsCl

Tosyl chloride, a reagent used to convert alcohols into tosylates, making them better leaving groups for nucleophilic substitution reactions.