Collecting Data and Inference

Question 1

The entire group of individuals that information is wanted on

Answer 1

population

Question 2

the subset of individuals in the population that data is collected on

Answer 2

sample

Question 3

sampling those easy to reach

Answer 3

convenience sample

Question 4

when individuals choose to be part of the sample

Answer 4

voluntary response

Question 5

a sample where every group is equally likely to be chosen

Answer 5

simple random sample

Question 6

when some members of the population cannot or are less likely to be chosen

Answer 6

undercoverage

Question 7

when an individual is selected to be in a sample but chooses not to or cannot be reached

Answer 7

nonresponse

Question 8

a pattern of inaccurate responses

Answer 8

response bias

Question 9

when no treatment is imposed, there is only observation

Answer 9

observational study

Question 10

a situation where treatment is imposed

Answer 10

experiment

Question 11

the variable that is used to predict

Answer 11

explanatory variable

Question 12

the outcomes being measured/monitored

Answer 12

response variable

Question 13

what is done to the participants

Answer 13

treatment

Question 14

what/who treatment is imposed on

Answer 14

experimental units

Question 15

variables not controlled for that affect results

Answer 15

confounding variables