measuring position: percentiles

Recognize the incorrect statement(s). I. When all data for a variable are transformed into z scores, the resulting distribution will have a mean of 1 and a standard deviation of 0. II. The z score represents the number of standard deviations that a data value falls above or below the mean. III. Per..

Give the radian measure of an angle with 2 clockwise revolutions in standard position. => π or - 4 π or 4 π or 2 π..