Mathematics, 21.10.2021 01:10 paulagarza
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The principal randomly selected six students to take an aptitude test. Their scores were:
72.3 81.1 78.4 80.9 81.5 75.5
Determine a 90 percent confidence interval for the mean score for all students, show your work.
A) (75.13, 81.43)
B) (75.23, 81.33)
C) (81.33, 75.23)
D) (81.43, 75.13)
Answers: 3
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