FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Scores on the mathematics part of the SAT exam in a recent year were roughly Normal with mean 515 and standard deviation 114. You choose an SRS of 100 students and average their SAT Math scores. Suppose that you do this many, many times. Which of the following are the mean and standard deviation of the sampling distribution of x̄?
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Mean = 515; SD = 114
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Mean = 515; SD = 114/√100
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Mean = 515/100; SD = 114/√100
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Mean = 515/100; SD = 114/100
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Mean = 515/100; SD = 114/√100
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Explanation:
Detailed explanation-1: -Total SAT® scores range from 400 to 1600. Your total score is the sum of your section scores. The section scores for Evidence-Based Reading and Writing and for Math each range from 200 to 800.
There is 1 question to complete.