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A confidence interval for the difference between the means of two normally distributed populations based on the following dependent samples is desired. Before After 5
A confidence interval for the difference between the means of two normally distributed populations based on the following dependent samples is desired.
Before After
5 7
13 12
6 8
12 14
3 4
Calculate the lower confidence limit of 95 percent confidence interval.
a.
2.45
b.
-3.88
c.
3.88
d.
-2.82
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