Vocabulary -1

Question 1

a study of one or more characteristics of a group

Answer 1

survey

Question 2

the entire group you want information about

Answer 2

population

Question 3

where every member of the population has an equal chance of being selected

Answer 3

random sample

Question 4

the population is divided into distinct groups. members are selected at random from each group

Answer 4

stratified random sample

Question 5

a rule is used to select members of the population

Answer 5

systematic sample

Question 6

only the members of the population who are easily accessible are selected

Answer 6

convenience sample

Question 7

members of the population select themselves by volunteering

Answer 7

self-selected sample

Question 8

a sample that accurately reflects the characteristics of a population

Answer 8

representative sample

Question 9

a sample that is not representative of the population

Answer 9

biased sample

Question 10

a question that encourages a particular response

Answer 10

biased question

Question 11

a counting of the entire population

Answer 11

census

Question 12

a number that describes a sample

Answer 12

statistic

Question 13

a number that describes a population

Answer 13

parameter

Question 14

imposes a treatment on individuals to collect data on their response to the treatment

Answer 14

experimental study

Question 15

observes individuals and measures variables without controlling the individuals or their environment in any way

Answer 15

observational study

Question 16

receives treatment in a randomized controlled experiment

Answer 16

treatment group

Question 17

used for comparison; does not receive treatment in a randomized controlled experiment

Answer 17

control group