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The rest of these notes contains parts of §§4.1.1, 4.1.2, 4.1.3 and the intro to 4.2. CI. Conﬁdence intervals (abbreviated CI)
We will introduce the general approach on a case that is most straightforward.
CI.1. Estimating the mean µ in a normal distribution, when the standard deviation σ is known.
We need the following:
Es. design an experiment, ﬁnd a statistics (also called “estimator”)
Ds. ﬁgure out the distribution of the estimator (given the assumptions)
CI. using Ds, and the random sample that we drew, compute the CI
Let’s take them one at the time: 1 As. The assumptions
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This note was uploaded on 02/05/2014 for the course MATH 3339 taught by Professor Staff during the Fall '08 term at University of Houston.
- Fall '08