Solve the problem.
-Based on a sample of size 41, a 95% confidence interval for the mean score of all students, $\mu _ { ,}$ on an aptitude test is from 60 to 66. Find the margin of error.
A)3.0
B)0.92
C)There is not enough information to find the margin of error.
D)6

Question

Solve the problem.
-Based on a sample of size 41, a 95% confidence interval for the mean score of all students, $\mu _ { ,}$ on an aptitude test is from 60 to 66. Find the margin of error. 
A)3.0
B)0.92
C)There is not enough information to find the margin of error.
D)6

Quizplus · Accepted Answer

The margin of error is half the width of the confidence interval, which is (66 - 60) / 2 = 3.0.

Solve the Problem μ,\mu _ { ,}μ,​ On an Aptitude Test Is from 60 to 66

Solve the Problem $\mu _ { ,}$ On an Aptitude Test Is from 60 to 66