10.3 Matched Samples

# 10 8 2 freedom sudbury 1833 how can the brandon 9 2

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Unformatted text preview: cal 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 x D − µ D Montreal 15 13 2 2.7 − 0 t STAUPX = = = 2.94 services, T s n D 2.91 10 Calgary 18 15 3 and INTEX, toD 15 –1 transport its 10 – 1=9Halifax t.05 for degrees of 14 documents. 10 8 2 freedom = Sudbury 1.833 How can the Brandon 9 –2 Therefore, tSTAT > t.05 and 7 company Edmonton 16 1 5 determine which is rejected. H0 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 district offices Rule: Vancouver p-value: throug...
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## This document was uploaded on 03/05/2014.

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