Chapter 1: The Benefits and Risks of Using Statistics

Question 1

statistics

Answer 1

Statistics is a collection of procedures and principles for gaining and analyzing information in order to help people make decisions when faced with uncertainty.

Question 2

sample

Answer 2

the group of people used for the purposes of the study; for the study to be successful the sample must be large enough and representative enough to be applicable to a larger population

Question 3

population

Answer 3

the larger population to which the results of a study can be applied

Question 4

observational study

Answer 4

when the behaviors of a sample are simply observed and not manipulated

Question 5

randomized experiment

Answer 5

experiment in which sample is randomly split between two groups in which the variables are controlled and manipulated

Question 6

randomized assignments

Answer 6

chance is left to determine the group assignment of each subject (random # generator, flipping a coin etc.)