Collecting data chapter 11

Question 1

what is a population

Answer 1

all of the individuals in the group are being studied

Question 2

what is a sample

Answer 2

any group of individuals selected from the population

Question 3

what is a convenience sample

Answer 3

a sample created by choosing individuals from the population who are easy to access

Question 4

what is a random sample

Answer 4

a sample created by choosing a specific number of individuals randomly from the whole population

Question 5

what is a stratified sample

Answer 5

a sample created by dividing the whole population into distinct groups, and then choosing a fraction of the numbers to do the survey.

Question 6

what is a systematic sample

Answer 6

a sample created by choosing individuals at fixed intervals from a list of the whole population

Question 7

what is a voluntary response sample

Answer 7

a sample created by inviting the whole population to participate.