FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
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The heights of 5-year old boys are approximately normal. The mean height of a random sample of 37 5-year old boys is found to be 30 inches with a standard deviation of 3 inches. What is the standard error of x̄?
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.493
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1.32
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5.77
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1.96
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Explanation:
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