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University of South Carolina; Slide 19 The p-value for this test is
D. P(tdf=28 > 2.9)
P(tdf=28 < 2.9)
2*P(tdf=28 > 2.9)
2*P(tdf=28 < 2.9) G. Baker, Department of Statistics
University of South Carolina; Slide 20 Suppose the Populations are not
– Weights before and after a given diet.
– Reflex time to two different stimuli.
– Measurements obtained by two different
– Comparison of two medical treatments. G. Baker, Department of Statistics
University of South Carolina; Slide 21 Paired Differences
We reduce the two populations down to
one population of differences.
We assume that the differences are drawn
from a normal population.
We will treat the differences as one
population and estimate their mean and
perform hypothesis tests on their mean.
Why pair measurements?
G. Baker, Department of Statistics
University of South Carolina; Slide 22 Paired D...
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This note was uploaded on 01/12/2014 for the course STA 509 taught by Professor Wang during the Fall '13 term at South Carolina.
- Fall '13