Mathematics, 09.02.2021 01:10 tsadface21
A researcher initially plans to take an SRS of size 160 from a certain population and calculate the sample mean. Later, the researcher decides to increase the sample size so that the standard deviation of the sampling distribution of will be half as big as when using a sample size of 160. What sample size should the researcher use?
Answers: 2
Mathematics, 21.06.2019 14:00
Given that de, df, and ef are midsegments of â–³abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of â–³abc is .
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Mathematics, 21.06.2019 15:20
Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
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A researcher initially plans to take an SRS of size 160 from a certain population and calculate the...
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