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can you help me? Find the appropriate critical value (either za/2 or ta/2) Confidence level= 99% and n=21 Answers: a. ta/2=2.921 b. za/2=2.567 c. ta/2=2.845

can you help me?

Find the appropriate critical value (either za/2 or ta/2)

Confidence level= 99% and n=21

Answers:

a. ta/2=2.921

b. za/2=2.567

c. ta/2=2.845

d. za/2=2.583

e. ta/2=2.898

f. none of these

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