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When Mrs. Myles gave a test, the scores were normally distributed with a mean of 72 and a standard deviation of 8. About 68% of her students scored between which two scores?
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When Mrs. Myles gave a test, the scores were normally distributed with a mean of 72 and a standard deviation of 8. About 68% of her students scored between which two scores?

User Alex Logan
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1 Answer

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For a normal distribution about
68% corresponds to one standard deviation either side of the mean so the required scores are

64 to 80.

User Ptival
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