The reject h0 if tstat t05 19 ottawa 15 4 firm must

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Unformatted text preview: ed 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 district offices Rule: Vancouver Critical throughout value: Victoria 30 24 6 Canada. The Reject H0 if tSTAT > t.05 19 Ottawa 15 4 firm must Toronto 16 15 1 decide between Decision: Statistical two delivery xD −µ Montreal 15 13 2 D tSTATUPX = services, Calgary 15 3 sD nD need to know18 mean the and INTEX, to Halifax standard 14 15 –1 and deviation of transport its documents. the difference: Sudbury 10 8 2 How can the mean: 2.77 Brandon 9 –2 company standard deviation: Edmonton 16 1 5 determine which 2.91 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:...
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This document was uploaded on 03/05/2014.

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