Question: Question 18 What is the confidence interval using a critical value ( 2.60 ) for country code ? C 90.9 68 (90.9 68 ) (68

Question 18 What is the confidence interval using a critical value ( 2.60 ) for country code ? C 90.9 68 (90.9 68 ) (68 90.9 ) O 68 90.9
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