Suppose a Population Generally Follows a Normal Curve, Except That

Multiple Choice

Suppose a population generally follows a normal curve, except that one of the measurements on this curve falls more than 3 standard deviations above the mean.What would you call this value?

A) An extreme outlier.
B) An error.All the values should lie within 3 standard deviations of the mean.
C) A value that has a 99.7% chance of occurring, because of the Empirical Rule.
D) None of the above.