The distribution of iq scores resembles a bell-shaped curve, which is referred to by psychologists as a normal curve. wechsler defined the deviation iq so that the average (mean) score was and the standard deviation of scores was

Which of the following is an advantage of using nuclear power plants to produce electricity?

Dr. robbins wants to know if there are different opinions regarding the value of public school education between native americans who have at least one relative who attended indian boarding school and native americans who have no family experience with indian boarding school. dr. robbins contacts 35 native american participants in each group. he wants each group to include younger as well as older adults, and a mix of male and female participants. he asks each person to complete a survey about their attitudes toward public education. the design of this study is:

Which label identifies the step labeled w?