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The mean score on a physics test was 75 points. Amy’s score was 67 points, which was 2 standard deviations below the mean. What is the variance of the data set?

The mean score on a physics test was 75 points. Amy’s score was 67 points, which was 2 standard deviations below the mean. What is the variance of the data set?
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5 votes
The mean score on a physics test was 75 points. Amy’s score was 67 points, which was 2 standard deviations below the mean. What is the variance of the data set?

asked
User Matthew Clendening
by
8.1k points

2 Answers

5 votes

Answer:

D

Explanation:

answered
User Mojimi
by
7.9k points
2 votes

Answer:

D.16

Explanation:

took the Unit test 100%

answered
User Jamie Curtis
by
8.6k points
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