Problem

A random sample of five pairs of observations was selected, one observation from a populat...

A random sample of five pairs of observations was selected, one observation from a population with mean m1, the other from a population with mean μ2. The data are shown in the following table and saved in the LM7_118 file.

a. Test the null hypothesis H0: μd = 0 against , where μd = (μ1 – μ2) Use α = .05.
b. Form a 95% confidence interval for md.
c. When are the procedures you used in parts a and b valid?

Pair

Value from

Population 1

Value from

Population 2

1

2

3

4

5

28

31

24

30

22

27

20

27

20

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Solutions For Problems in Chapter 7

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139E

A random sample of five pairs of observations was selected, one observation from a populat...

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