Let's Assume There Are Sophomores,juniors,and Seniors in Your Marketing Research

question 31

Multiple Choice

Let's assume there are sophomores,juniors,and seniors in your marketing research class and we want to know if their average GPAs differ.What is the proper statistical test?

• A)t-test
• B)z-test
• C)Chi-square test
• D)Analysis of variance (ANOVA)
• E)None of these are correct.

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Definitions:

Cyanobacterium

Photosynthetic, aquatic microorganisms that are gram-negative and often contribute to the formation of oxygen in Earth's atmosphere.

Green Alga

Single-celled, colonial, or multicelled photosynthetic protist that has chloroplasts containing chlorophylls a and b.

Prokaryotic

Cells that lack a true, membrane-bound nucleus and most other organelles, characteristic of organisms such as bacteria.

Protozoans

Diverse group of unicellular eukaryotic organisms, often considered the simplest animal life forms, living in water or as parasites.