The Scores of Individual Students on the American College Testing

question 35

Multiple Choice

The scores of individual students on the American College Testing (ACT) ,a college readiness assessment,have a Normal distribution with a mean of 18.6 and a standard deviation of 6.0.At Northside High,36 seniors take the test.Assume the scores at this school have the same distribution as national scores.What is the sampling distribution of the sample mean score for a random sample of 36 students?

• A)Approximately Normal,but the approximation is poor
• B)Approximately Normal,and the approximation is good
• C)Exactly Normal
• D)Neither Normal nor non-Normal-it depends on the particular 36 students selected

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Definitions:

Logic Input

An input signal or condition received by a device that is used to perform logical operations in control systems.

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The actual or factual value of a variable or condition, especially in contexts where values may be approximated, assumed, or evaluated.

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A Chinese ceramic technique in which the design is incised through a colored slip.

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A philosophical and ethical system based on the teachings of Confucius, focusing on morality, familial duty, social harmony, and respect for hierarchy and tradition.