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Mathematics, 13.07.2020 23:01 christi1175
A simple random sample of 20 items resulted in a sample mean of 10. The population standard deviation is = 3. Round your answers to two decimal places.
a. What is the standard error of the mean, ?
b. At 95% confidence, what is the margin of error?
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A simple random sample of 20 items resulted in a sample mean of 10. The population standard deviatio...
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