Mathematics, 07.12.2019 05:31, xxtonixwilsonxx
The difference of the sample means of two populations is 34.6, and the standard deviation of the difference of the sample means is 11.9.
the 95% confidence interval lies between (a.-11.9, b.-23.8, c.-35.7, d.-45.4) and (a.+11.9, b.+23.8, c.+35.7, d.+45.4)
Answers: 3
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The difference of the sample means of two populations is 34.6, and the standard deviation of the dif...
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