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Assume that the following four examines were tested as part of a large group that had a normally curved distribution.

There were 37 students in the class.

Heather: Z = 1.05
Becky: Z = 1.10
Jerry: Z = 2.75
Sheldon: Z = .35

1. Approximately how many students in the group would score lower than Heather?

2. Approximately how many students in the group would have scored higher than Sheldon?

3. Approximately how many students in the group would have scored between Heather and Becky?

4. Which of these students probably occurred most frequently in the entire group's distribution?

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9167620

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