Asked by Jeannine Daley on Sep 26, 2024
A test to measure psychotic tendencies was given to a group of 1,000 potential air force cadets who wished to work in nuclear silos. Any cadet who scored at or over 64 would be eliminated. The mean of the test was 52 and the standard deviation was 12. Out of the 1,000 cadets how many were accepted?
A) 160
B) 340
C) 560
D) 840
Psychotic Tendencies
Refers to patterns of thought or behavior that are typically characteristic of serious mental disorders involving a loss of contact with reality, such as schizophrenia.
Mean
A measure of central tendency that is calculated by adding all of the scores and dividing by the total number of scores. It is the arithmetic average of the scores.
- Understand the relationship between mean, standard deviation, and scores in a distribution.
- Know the implications of using norm-referenced tests for decision-making.
Learning Objectives
- Understand the relationship between mean, standard deviation, and scores in a distribution.
- Know the implications of using norm-referenced tests for decision-making.