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1. Comparing Scores An industrial psychologist for the Citation Corporation develops two different tests to measure job satisfaction. Which score is better: A score of 72 on the management test, which has a mean of 80 and a standard deviation of 12, or a score of 19 on the test for production employees, which has a mean of 20 and a standard deviation of 5. Explain.

2. a. Estimate the mean age of cars driven by students at your college.

b. Use the range rule of thumb to make a rough estimate of the standard deviation of the ages of cars driven by students at your college.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
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