Basic Principles Quiz

Which of the following is NOT one of the four scales of measurement?
Ratio
Nominal
Integer
Ordinal
In a normal distribution what percent of scores fall between one standard deviation above the mean and one standard deviation below the mean
27%
68%
84%
95%
A z-score cannot be a negative number
True
False
Interpret the graph. What is its distribution? Explain why its distributed the way it is
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?
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