The mean of a set of credit scores is 4= 690 and g= 14. Which statement must be true?
Z690 is within 1 standard deviation of the mean.
Z690 is between 1 and 2 standard deviations of the mean.
Z690 is between 2 and 3 standard deviations of the mean.
O Z690 is more than 3 standard deviations of the mean.