STAT 100 Study Guide - Quiz Guide: Stratified Sampling, Immunoglobulin Therapy, Dependent And Independent Variables
29 Feb 2016
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Boat study: an environmental group wants to study boat traffic on a large recreational lake. You want to know the opinions of your fellow sfu students on the price of textbooks. You gave surveys to 300 students randomly selected from across all three campuses. 175 students who completed the survey, 75 indicated that they thought textbooks were affordable. Experiment study is best for determining cause and effect. The group of individuals surveyed in a sample survey have been selected because they represent a larger population. Researchers in animal pharmaceuticals are conducting a study: the researcher intends the results of the study to be applied to the population of all pigs. A pig is an individual in this population: the response variable is death. A carload lot of ball bearings has an average diameter of: the target population is carload lot of ball bearings, the response variable is ball bearing diameter. American eels can live in either saltwater or freshwater.
