6
QuizMultiple Choice

Estimating the Mean Difference — Unit test

Question 6 • Probability and Statistics with Applications Honors Sem-2-FL-1210300 (2024-2025)

What critical value of t* should be used for a 99.5% confidence interval for the population mean based upon a random sample of 18 observations?Find the t-table here.

Answer
A
t* = 2.878
B
t* = 2.898
C
t* = 3.197
D
t* = 3.222
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