seanneal1947 seanneal1947

18-05-2024
Mathematics

Answered

The principal randomly selected six students to take an aptitude test. Their scores were:
88.0 84.1 74.9 83.2 83.7 85.5
Determine a 90% confidence interval for the mean score for all students.
A) 79.49 < ! < 86.98 B) 86.98 < ! < 79.49
C) 86.88 < ! < 79.59 D) 79.59 < ! < 86.88

Answer :

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