(a) Compute di = Xi - Yi for each pair of data. (b) Compute d-bar and sd....
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(a) Compute di = Xi - Yi for each pair of data.
(b) Compute d-bar and sd.
(c) Test the hypothesis that µd ‰ 0 at the α = 0.01 level of signiï¬cance.
(d) Compute a 95% conï¬dence interval for the population mean difference md .
Transcribed Image Text:
Observation Xi 23 4 567 18.5 21.8 19.4 22.9 18.3 20.2 23.1 18.3 22.3 19.2 22.3 18.9 20.7 23.9
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