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Thirty random students took a calc test. If the sample mean was 90 & the standard deviation was 13.9, construct a 99% confidence interval for the mean score of all students.

Is the answer 83.03 to 96.97??
17 years ago

Answers

MathGuru
This looks within range. There may be differences due to rounding when using a confidence interval formula.
17 years ago

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