Question: Question 12 O 0.0478 QUESTION 12 What is the value for X- for a 95% confidence interval when n = 18? 8.672 9.390 O 7.564

Question 12

Question 12 O 0.0478 QUESTION 12 What is the value for X-

O 0.0478 QUESTION 12 What is the value for X- for a 95% confidence interval when n = 18? 8.672 9.390 O 7.564 O 8.231 QUESTION 13

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