A random sample of five pairs of observations was selected, one observation from a population with mean
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A random sample of five pairs of observations was selected, one observation from a population with mean µ1, the other from a population with mean µ2. The data are shown in the following table and saved in the LM9_112 file.
a. Test the null hypothesis H0: µd = 0 against Ha: µd = 0, where µd = µ1 - µ2. Use α = .05.
b. Form a 95% confidence interval for µd.
c. When are the procedures you used in parts a and b valid?
Transcribed Image Text:
Value from Population 1 Value from Population 2 Pair 28 31 24 30 2 27 20 27 20 4
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a This is a paired difference experiment Pair Difference Pop 1 Pop 2 1 6 2 4 3 4 4 3 ...View the full answer
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