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OpenStudy (anonymous):
An experiment using 35 guinea pigs is set up to study the weight of the pigs after injecting them with a drug. If the population mean is 23.5 grams with a standard deviation of 3.4 grams, what is the margin of error of the sample mean?
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OpenStudy (anonymous):
0.097 grams 0.575 grams 0.701 grams 1.149 grams 1.403 grams
OpenStudy (anonymous):
standard error of the mean=\[\frac{ \sigma }{ \sqrt{n} }\]
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