A paired difference experiment produced the following data: nD = 18 x1 = 92 &nbs
- A paired difference experiment produced the following data:
nD =
18
x
1 = 92
x2 =
95.5
xD =
-3.5
sD2 = 21
- Determine the values of t for which the null hypothesis, µ1 - µ2 = 0, would be rejected in favor of the alternative hypotheses, µ1 - µ2 < 0. Use α = .10.
- Conduct the paired difference test described in part a. Draw the appropriate conclusions.
- What assumptions are necessary so that the paired difference test will be valid?
- Find a 90% confidence interval for the mean difference µD.
- Which of the two inferential procedures, the confidence interval of part d of the test of hypothesis of part b, provides more information about the differences between the population means?
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A paired difference experiment produced the following
data:
nD =
18
x1 = 92
&nbs
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