Let us compare the failure times of a certain type of
Chapter 8, Problem 9E(choose chapter or problem)
Let us compare the failure times of a certain type of light bulb produced by two different manufacturers, \(X\) and \(Y\), by testing 10 bulbs selected at random from each of the outputs. The data, in hundreds of hours used before failure, are
(a) Use the Wilcoxon test to test the equality of medians of the failure times at the approximate \(5 \%\) significance level. What is the \(p\)-value?
(b) Construct and interpret a \(q–q\) plot of these data. Hint: This is a \(q–q\) plot of the empirical distribution of \(X\) against that of \(Y\).
Equation Transcription:
Text Transcription:
X
Y
q-q
5%
p
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