When Testing the Means of Independent Samples, the Null Hypothesis

question 58

Multiple Choice

When testing the means of independent samples, the null hypothesis is best thought of as

• A) the mean of population 1 is equal to the mean of population 2.
• B) the mean of population 1 is unequal to the mean of population 2.
• C) the mean of a set of difference scores is equal to 0.
• D) the two population means don't differ by more than 10 points.

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Definitions:

Thermus Aquaticus

A species of bacteria that is thermophilic and was the original source of the enzyme Taq polymerase, widely used in PCR techniques.

Polymerase Chain Reaction

A laboratory technique used to amplify segments of DNA for various genetic analyses.

Genetic Engineering

Human-induced changes in the genome of an organism, often performed for the benefit of humans.

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A technique used to identify individuals based on unique patterns of their DNA, commonly used in forensics, paternity testing, and genetic testing.