The principal randomly selected six students to take an aptitude test. Their scores were: 87.4 86.9 | MathCelebrity Forum

The principal randomly selected six students to take an aptitude test. Their scores were: 87.4 86.9

J

jaffar

New Member
The principal randomly selected six students to take an aptitude test.
Their scores were: 87.4 86.9 89.9 78.3 75.1 70.6
Determine a 90% confidence interval for the mean score for all students.
 
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