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3 September, 09:22

The mean of a set of credit scores is u=690 and o=14. Which statement must be true?

A. Z690 is within 1 standard deviation of the mean.

B. Z690 is between 1 and 2 standard deviations of the mean.

C. Z690 is between 2 and 3 standard deviations of the mean.

D. Z690 is more than 3 standard deviations of the mean.

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Answers (1)
  1. 3 September, 09:37
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    The mean of a set of credit scores is u=690 and o=14, so in my opinion the only correct option is C. Z690 is between 2 and 3 standard deviations of the mean.
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