'Freedom increase' diaporamas de présentation

Chapter Eight

Chapter Eight. Estimation. Estimating ? When ? is Known. Assumptions: We have a simple random sample of size n . If the distribution is normal , methods work for any sample size. If the distribution is unknown , a sample size of at least 30 (sometimes even more) is required.

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Happiness comes not from material wealth but less desire.

Happiness comes not from material wealth but less desire. . Chapter 17. Inference about a Population Mean . Conditions for Inference about a Mean. Data are from a SRS of size n . Population has a Normal distribution with mean m and standard deviation s .

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Let sample from N( ? , ? ), ? unknown, ? known.

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