S479 F10 Quiz 7 Solutions

# S479 F10 Quiz 7 Solutions - Stat 479 Fall 2010 Quiz 7 1 An...

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Unformatted text preview: Stat 479 Fall 2010 Quiz 7 October 25, 2009 1. An urn contains four balls. Each ball has a unique number on it. The numbers on the balls are 2, 4, 6, and 8. Two balls are drawn from the um and the maximum number drawn is used to I estimate the largest number on a ball in the urn. Calculate the Mean Square Error of this estimator. )jo SS ib ) Q E f @133 “Pro h K “1%: a1, Ur ye L4“ L9 5 a e % 2. You are given the following sample of claims: X28,10,l3,14,15,15,16,l8, 20, 25 The sum ofX is 154 and the sum osz is 2584. . . l3; H0 is that ux = 13 and H1 is that ux Calculate the 2 statistic, the critical value(s) assuming a signiﬁcance level of 10%, and the p value. State your conclusion with regard to the Hypothesis Testing. ﬁr w {HQ V , W t" N 2“ “V 32;) Pg ﬁg L9 ‘4 - '3» ﬂ 6 ; f I .s (9 13k? W“ ...
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S479 F10 Quiz 7 Solutions - Stat 479 Fall 2010 Quiz 7 1 An...

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