SOLUTION: Suppose that the population standard deviation (o) for a normally distributed standardized test of achievement is known to be 7.20. What would the standard error of the sample mea
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Question 85488This question is from textbook elementary statistics in social research
: Suppose that the population standard deviation (o) for a normally distributed standardized test of achievement is known to be 7.20. What would the standard error of the sample mean (o-x)be if we were to draw a random smaple of 16 test scores?
Please help...show the work please. This question is from textbook elementary statistics in social research
You can put this solution on YOUR website! Suppose that the population standard deviation (o) for a normally distributed standardized test of achievement is known to be 7.20. What would the standard error of the sample mean (o-x)be if we were to draw a random smaple of 16 test scores?
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standard error (SE) = sigma/sqrt(sample size) = 7.2/sqrt16 = 7.2/4 = 1.8
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Cheers,
Stan H.
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