Today's psychologists consider "drapetomania" to be a cruel and false diagnosis originating in the prevailing culture of the southern United States in the era of slavery

The high rate of adolescent crime is caused by a few very active delinquents

Indicate whether this statement is true or false.

The new fifth-grade teacher just arrived for her orientation session. The principal provided her with information on the class she will begin teaching next week,

including the group results on a state-required achievement test administered at the end of fourth grade. The principal tells the teacher that the students' average score was exactly at their grade level. What question should the teacher ask that will help her evaluate the information she has been given? a) What is the correlation between IQ scores and the state test scores? b) What percentage of the students come from homes that are in the poverty range? c) What is the degree of variability or spread around the average score on that test? d) What do the inferential statistics demonstrate about the scores obtained by this group of students?