Basic Principles Quiz

Which of the following is NOT one of the four scales of measurement?

In a normal distribution what percent of scores fall between one standard deviation above the mean and one standard deviation below the mean

A z-score cannot be a negative number

Analyze the Z-score +2. Be sure to discuss what the number tells you and what the sign tells you. If this z-score was found for a test with a Mean of 50 and a Standard Deviation of 15 what score would the Z-score of +2 be associated with?