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ReviewQuiz2_Chapter5~7_0223_Spring11

ReviewQuiz2_Chapter5~7_0223_Spring11 - Name Person Number...

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Name: ________________________ February 23, 2011 Person Number: ___________________ 1 ReviewQuiz2_Chapter5~7 Multiple Choice Identify the choice that best completes the statement or answers the question. 1. For a population with μ = 80 and σ = 12, what is the z-score corresponding to X = 92? 2. In a population of scores with σ = 20, a score of X = 80 corresponds to z = +0.25. What is the population mean? 3. A population with μ = 85 and σ = 12 is transformed into z-scores. After the transformation, what are the values for the mean and standard deviation for the population of z-scores? 4. What proportion of a normal distribution is located between z = 1.00 and z = 1.50? 5. What is the probability of randomly selecting a z-score greater than z = - 0.80 from a normal distribution? 6. The distribution of sample means (for a specific sample size) consists of _____.
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