A Clinic Has Four Doctors

question 38

Multiple Choice

A clinic has four doctors.They wish to compare the amount of time that doctors spend with their patients.It is suspected that times may not be normally distributed but are otherwise assumed similar except in center,so a nonparametric test was chosen.The Kruskal-Wallis test results are shown below. Which is the best conclusion at α = .01?

• A)The doctors have the same median times.
• B)The doctors have different median times.
• C)The sample size is insufficient for this kind of test.
• D)A one-factor ANOVA would be a better kind of test.

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Definitions:

Transcription Factors

Transcription factors are proteins that regulate the transcription of genes by binding to specific DNA sequences, thereby increasing or decreasing the transcription of genes.

Coenzymes

Substances that enhance the action of enzymes by facilitating their ability to catalyze biochemical reactions.

Acetyl Groups

Functional groups derived from acetic acid, consisting of a methyl group single-bonded to a carbonyl. The formula is CH3CO, often denoted as Ac in chemical structures.

Histone Tails

Histone tails are the N-terminal extensions of histone proteins that protrude from the nucleosome and play a key role in regulating gene expression by undergoing various chemical modifications.