# margin of error with critical value

**Question description**

a random sample of 120 students has a test score average with a standard deviation of 9.2. Find the margin of error if c=0.98

## Tutor Answer

Brown University

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California Institute of Technology

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Carnegie Mellon University

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Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

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New York University

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Notre Dam University

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Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

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Oxford University

123 Tutors

Yale University

2325 Tutors