10.3 Matched Samples

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

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

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:...
View Full Document

## This document was uploaded on 03/05/2014.

Ask a homework question - tutors are online