Let\'s say we know thepopulation standard deviation and we are asked to create a

Question

Let's say we know thepopulation standard deviation and we are asked to create a 95%confidence interval. Our sample size is 17. Which value mostaccurately represents the critical value of Z that you would use toplug in for your interval? a) 1.28 b) 1.65 c) 1.96 d) 2.11 e) 2.12 Let's say we know thepopulation standard deviation and we are asked to create a 95%confidence interval. Our sample size is 17. Which value mostaccurately represents the critical value of Z that you would use toplug in for your interval? a) 1.28 b) 1.65 c) 1.96 d) 2.11 e) 2.12

Explanation / Answer

At  95% confidence interval i.e =0.05, z value=1.96                          (from z table ) hence the correct option is ( c )

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