If the mean of a test is 13 and its standard deviation is 3, the Z score for a person with a raw score of 7 is

Superintendent Hastings has asked all teachers in her school district to administer student intelligence tests. If performances at each age level formed a normal distribution, the results were probably __________-shaped

A) U B) bell C) L D) triangle

The two major approaches to quality-of-life assessment are

a. tangible and intangible. b. psychometric and decision theory. c. internal and external. d. life and death.