Unformatted text preview: 9904, 2.50296]
100
100
Terminology. (see top of page 228)
4
5 See §2.7.
√
Using the normalization we did for the normal distributions; σ 2 /n = (σ / n)2 . 3 • the interval in (4.2) is called the 100(1 − α) percent conﬁdence interval ; it is a
random interval (has a diﬀerent value for each sample)
• 1 − α is the conﬁdence coeﬃcient ; 100(1 − α) is the conﬁdence level
• for our example, we can say that we are 95% conﬁdent that µ ∈ [2.49904, 2.50296].
What this means.
• in our example, either µ ∈
So 95% has nothing to do here. [2.49904, 2.50296] or µ ∈ [2.49904, 2.50296...
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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
 Staff
 Statistics

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