10.3 Matched Samples

# 008 05 company edmonton 1 5 determine which therefore

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Unformatted text preview: hout Victoria 30 24 6 Canada. The H0 if p-value < α = . 19 Reject Ottawa 15 4 firm must 05 Toronto 16 15 1 decide between two delivery x D − µ D Montreal 13 2 2.7 − 0 Statistical Decision: = 2.94 15 t STAUPX = = services, T s n D 2.91 10 Calgary 18 15 3 and INTEX, toD Halifax 14 15 –1 transport its documents. Sudbury 8 2 P(t >the tSTAT) = 1–P(t < tSTAT) 10 How can Brandon 7 9 –2 = 0.008 < .05 company Edmonton 1 5 determine which Therefore, H0 is rejected. 16 Example Do the data indicate that the mean delivery times is greater for UPX with a .05 level of significance? Hypothesis Tests A Winnipeg The firm sent two copies of documents, one by Hypotheses: each delivery service, to a random sample of 10 based company has documentsUPX–INTEX ≤ 0 H0: μ district offices. See the data in the table below: that must be quickly Ha: μUPX–INTEX > 0 Office UPX INTEX Difference distributed to Decision 32 25 7 Therefore, we can district offices Rule: Vancouver p-value: throughout Victoria 24 c30 onclude...
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## This document was uploaded on 03/05/2014.

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