Which Statistical Technique Is Appropriate When We Describe a Single

question 57

Multiple Choice

Which statistical technique is appropriate when we describe a single population of qualitative data with exactly two categories?

• A)The z-test of a population proportion.
• B) The chi-squared goodness-of-fit test.
• C)The chi-squared test of a contingency table.
• D) Both a and b.

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Definitions:

Sexual Reproduction

A biological process that creates a new organism by combining the genetic material of two organisms.

Streptococci

A genus of coccus (spherical) bacteria that usually forms chains; known for causing various infections in humans and animals.

Alpha Proteobacteria

A class of Proteobacteria that includes a variety of species, some of which are capable of photosynthesis or nitrogen fixation.

Gram-Negative Bacteria

Bacteria with cell walls consisting of a thin peptidoglycan layer and a thick outer membrane. Compare with gram-positive bacteria