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The standard deviation for a data set is 7. The mean is 249. What is the margin of error for a confidence level of 95%?
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The standard deviation for a data set is 7. The mean is 249. What is the margin of error for a confidence level of 95%?
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Nov 5, 2017
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The standard deviation for a data set is 7. The mean is 249.
What is the margin of error for a confidence level of 95%?
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Mohsin Qureshi
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Margin of error for 95% = 1.96(mean/sd) = 1.96(249/7) = 1.96 x 35.57 = 69.72
Moefinley
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Nov 10, 2017
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