Dr jones the history professor administers a 30-item test, Ask an Expert

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Dr. Jones, the history professor, administers a 30-item test the first day of class to ascertain his students' initial level of knowledge of American history. Bob got a 0, Joe a 10, Betty a 20, and Mark and Sheela each got a perfect 30.

(a) In all likelihood, what kind of scale of measurement is this? Explain.

(b) Can Dr. Jones conclude that Bob does not know anything about American history? Explain.

(d) Can Dr. Jones conclude that Mark and Sheela have an equally good knowledge of American history? Explain.

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Statistics and Probability, Statistics

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