Assume that the differences are normally distributed. (a) Determine di = Xi - Yi for each pair
Question:
Assume that the differences are normally distributed.
(a) Determine di = Xi - Yi for each pair of data.
(b) Compute d and sd.
(c) Test if µd ‰ 0 at the α = 0.01 level of signiï¬cance.
(d) Compute a 99% conï¬dence interval about the population mean difference µd.
Transcribed Image Text:
Observation 1 34 5 6 78 19.4 18.3 22.1 20.7 19.2 11.8 20.1 18.6 Yi 19.8 16.8 21.1 22.0 21.5 18.7 15.0 23.9
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a We measure differences as d i X i Y i b d i 04 15 10 13 23 69 51 53 86 So d i 2 04 15 2 10 2 13 2 ...View the full answer
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