10.3 Matched Samples

See the data in the table below office upx intex

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Unformatted text preview: e 95% confidence interval for the mean difference between the services? Hypothesis Tests A Winnipeg The firm sent two copies of documents, one by Interval Estimate:delivery service, to a random sample of 10 based company each has documents district offices. See the data in the table below: that must be d ± t sd , df = n − 1 α2 n Office quickly UPX INTEX Difference distributed to Vancouver 32 25 7 district offices throughout Victoria 30 24 6 Canada. The Ottawa 19 15 4 firm must Toronto 16 15 1 decide between two delivery Montreal 15 13 2 services, UPX Calgary 18 15 3 and INTEX, to Halifax 14 15 –1 transport its documents. Sudbury 10 8 2 How can the Brandon 7 9 –2 company Edmonton 6 1 5 determine which Example What is the 95% confidence interval for the mean difference between the services? Hypothesis Tests A Winnipeg The firm sent two copies of documents, one by Interval Estimate:delivery service, to a random sample of 10 based company each has documents district offices. See the data in the table below: that must be d ± t sd , df = n − 1 α2 n Office quic...
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