Mathematics, 26.12.2019 20:31 landonp101
The formula used to compute a confidence interval for the mean of a normal population when n is small is the following.
x^^\_ +/-\(t text( critical value)\)s/sqrt(n)
what is the appropriate t critical value for each of the following confidence levels and sample sizes? (round the answers to two decimal places.)
(a) 90% confidence, n = 17
(b) 90% confidence, n = 12
(c) 99% confidence, n = 24
(d) 90% confidence, n = 25
Answers: 3
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