Mathematics, 02.01.2020 23:31, russelllang606

Which of the following is the upper critical value of z (z*) for an 80% confidence interval?

a. 1.96
b. 84
c. 2.33
d. 1.45
e. 1.28

Answers: 1

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Which of the following is the upper critical value of z (z*) for an 80% confidence interval?
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