PSY 2106 Chapter Notes - Chapter 6: Simple Random Sample

• School: University of Ottawa
• Department: Psychology
• Course: PSY 2106
• Professor: Guilliaume Durand

Document Summary

A fraction/proportion of all the possible outcomes. Probability of a = # of outcomes classified as a / total # of possible outcomes. Requires that each individual in the population has an equal chance of being selected. Requires that each individual has an equal chance of being selected and that the probability of being selected stays constant from one selection to the next if more than one individual is selected. A survey of the students in a psychology class revealed that there were 19 females and 8 males. Of the 19 females, only 4 had no brothers or sisters, and 3 of the males were also the only child.