Question: Consider the following competing hypotheses and accompanying sample data drawn from a matched-pairs sample. H0: mD 0 HA: mD < 0 n = 9

Consider the following competing hypotheses and accompanying sample data drawn from a matched-pairs sample.

H0: mD ≥ 0

HA: mD < 0

n = 9

T- = 40 T+ = 5

a. Specify the decision rule at the 5% significance level.

b. What is the conclusion?

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