SOLUTION: 16. If a 90% confidence interval is constructed to estimate μ, with σ estimated by s and n = 20, the correct critical value for t is
A. 1.328
B. 1.645
C. 1.729
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Question 1061498: 16. If a 90% confidence interval is constructed to estimate μ, with σ estimated by s and n = 20, the correct critical value for t is
A. 1.328
B. 1.645
C. 1.729
D. 1.476
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
so
for two tailed test.
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