1 answer

T-distribution Confidence Interval Find the appropriate percentile from a t-distribution for constructing the following confidence interval....

Question:

T-distribution Confidence Interval
Find the appropriate percentile from a t-distribution for constructing the following confidence interval. 99% t-interval with n 9 The percentile from the t-distribution is (Round to three decimal places as needed.)
Find the appropriate percentile from a t-distribution for constructing the following confidence interval. 99% t-interval with n 9 The percentile from the t-distribution is (Round to three decimal places as needed.)

Answers

For n= 9

degrees of freedom = 8

for 99% CI , alfa = 0.01 , alfa/2 = 0.005

for 99% confidence interval and df = 8

percentile from t distribution = 3.355

.

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