hw06_solution - Homework 6 19.5(a(b H0 The two population...

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Homework 6 19.5 (a) (b) H0: The two population locations are the same. H1: The location of population 1(new brand) is to the left of the location of population2 (leading brand) The data are ordinal data and the samples are independent. And Two population are similar in shape and spread so we can use Wilcoxon Rank Sum Test. 5 4 5 7 4 0 0 2 4 6 8 1 2 3 4 5 其他 New 頻率 5 1 7 9 3 0 0 2 4 6 8 10 1 2 3 4 5 其他 Leading 頻率
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P value =0.3929 > alpha(0.05) reject H0. There is not enough evidence to infer that the new beer is less highly rated than the leading brand. (c) All codes that preserve the order produce the same results. 19.9 The data are interval data we check the normality of the population. 25 3 1 0 1 0 0 10 20 30 300 600 900 1200 1400 其他 頻率 0 Exercise 23 4 1 2 0 0 5 10 15 20 25 300 600 900 1200 其他 0 Nonexcericer
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It is not normal distribution. And the two population are similar in shape and spread. We can use Wilcoxon Rank Sum Test.
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This note was uploaded on 01/06/2012 for the course MANAGEMENT 000 taught by Professor 游啟璋 during the Fall '11 term at National Taiwan University.

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hw06_solution - Homework 6 19.5(a(b H0 The two population...

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