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

Algebra ->  Probability-and-statistics -> 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       Log On


   

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) About Me  (Show Source):
You can put this solution on YOUR website!
n=20 so DOF=19
t%5Bc%5D=1.729 for two tailed test.