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Get Full Access to Probability And Statistical Inference - 9 Edition - Chapter 8.7 - Problem 3e
Get Full Access to Probability And Statistical Inference - 9 Edition - Chapter 8.7 - Problem 3e

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# Solved: Let X1,X2, . . . ,Xn be a random sample of size n

ISBN: 9780321923271 41

## Solution for problem 3E Chapter 8.7

Probability and Statistical Inference | 9th Edition

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Problem 3E

Let X1,X2, . . . ,Xn be a random sample of size n from the normal distribution N(μ, 100).

(a) To test H0: μ = 230 against H1: μ > 230, what is the critical region specified by the likelihood ratio test criterion?

(b) Is this test uniformly most powerful?

(c) If a random sample of n = 16 yielded  = 232.6, is H0 accepted at a significance level of α = 0.10?

(d) What is the p-value of this test?

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1/17/17 PSY-2160(002) Chapter 2 – Intro to Health Psychology Qualitative Research  Primarily exploratory research  Used to gain an understanding of underlying reasons, opinions, & motivations  Provides insights into the problem or helps to develop ideas or hypotheses for potential quantitative research Common data collection methods include: o Focus groups (group discussions) o Individual interviews o Observations  Example: Safe sex, drug use, and drinking practice video game o Reduced risk behavior o Market program to schools (did qualitative research and asked social workers/psycholo

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