SOLUTION: Suppose that the population standard deviation (𝝈 ) for a normally distributed standardized test of achievement is known to be 7.20. What would the standard error of the sa

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Question 936923: Suppose that the population standard deviation (𝝈 ) for a normally distributed standardized test of achievement is known to be 7.20. What would the standard error of the sample mean be if we were to draw a random sample of 16 test scores?
Answer by oscargut(2103) About Me  (Show Source):
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Answer: standard error is 1.8
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