Multiple Choice
Based on a sample of size 49, a 95% confidence interval for the mean score of all students, μ, on an aptitude test is from 59.2 to 64.8.Find the margin of error.
A) 5.6
B) 0.78
C) 0.05
D) 2.8
E) There is not enough information to find the margin of error.
Correct Answer:
Verified
Correct Answer:
Verified
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