Which of the Following Distributions Approximate Kruskal-Wallis Test Statistic H

question 19

Multiple Choice

Which of the following distributions approximate Kruskal-Wallis test statistic H when the problem objective is to compare k populations (k > 2) where the sample sizes are greater than or equal to 5?

• A)normal distribution
• B)chi-squared distribution
• C)Student t-distribution
• D)None of these choices.

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Definitions:

Restriction Enzyme

One of a class of enzymes that cleave DNA at specific base sequences; produced by bacteria to degrade foreign DNA; used in recombinant DNA technology.

DNA Ligase

A substance that helps in the combination of DNA molecules by catalyzing a phosphodiester bond.

Cosmid Cloning Vectors

Hybrid plasmid-bacteriophage DNA vectors used in genetic engineering for cloning large DNA fragments.

Restriction Enzyme

A protein produced by bacteria that cleaves DNA at specific sites, widely used in molecular biology for DNA manipulation.