1. The mean of any distribution corresponds to a z-score of 1 (True or False)

2. If the sum of squares equals zero, then all the scores in a sample are the same. (True or False)

3. A z-score of z = -3.00 indicates a score that is located in the extreme right-hand tail of the distribution. (True or False)

4. Within a distribution of scores, the location specified by z = +1.25 and the location specified by z = -1.25 are exactly the same distance from the mean. (True or False)

5. Transforming a distribution of raw scores into z-scores results in a normal distribution.

(True or False)

6. For any set of data, the sum of the deviation scores will always be ________

Greater than zero

Equal to zero

Less than zero

Cannot be determined