Kizspy | Question: 33
(Choose 1 answer)
The principal randomly selected six students to take an aptitude test. Their scores were:
77.9 89.1 80.7 78.6 74.4 82.0
Determine a 90% confidence interval for the mean score for all students. Assume that the population has a normal distribution.GOM
Α. (76.26; 84.64)
Β. (76.35; 84.55)C. (84.54; 76.36)
D. (84.64; 76.26)
E. None of the other choices is correct
Let t0.05.5 2.02
