Mathematics, 10.12.2021 03:30 azaz1819
Scores on a test have a mean of 66 and Q3 is 80. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth.
A) 10.5
B) 20.9
C) 9.4
D) 18.7
Answers: 1
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Scores on a test have a mean of 66 and Q3 is 80. The scores have a distribution that is approximatel...
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