Chapter 2

Question 1

biased

Answer 1

if a statistical study, systematically favors certain outcomes

Question 2

convenience sampling

Answer 2

selection of whichever individuals are easiest to reach

Question 3

voluntary response sample

Answer 3

chooses itself by responding to a general appeal (write-in or call in opinion polls)

Question 4

Simple random sample (SRS)

Answer 4

size “n” consists of “n” individuals from the population chosen in a way that every “n” individual has an equal chance

Question 5

Table of random digits

Answer 5

a longstring of digits 0-9

• equally likely to be any of the 10
• independent of each other