Math unit 1

Question 1

categorical

Answer 1

response are words

Question 2

ordianl

Answer 2

natural order

Question 3

nominal

Answer 3

don’t have order

Question 4

quantitative

Answer 4

response is numbers

Question 5

discrete

Answer 5

whole number, count (months)

Question 6

continuous

Answer 6

decimals (height, weight,age)

Question 7

population

Answer 7

a discrete group of people, animals, or things that can be identified by at least one more. The whole group that is being studied.

Question 8

sample

Answer 8

outcome of a random experiment

Question 9

random sample

Answer 9

each member of the population has an equal chance of being selected

Question 10

stratified sample

Answer 10

divide the population into groups (strata) of similar characteristics and select a random sample from each group

Question 11

cluster sample

Answer 11

divide ( or grid) the population into individuals unit and randomly select one or more units

Question 12

systematic sample

Answer 12

choose a starting value at random. Then chose every nth member of the population.

Question 13

convenience sample

Answer 13

choose readily available members of the population for your sample

Question 14

voluntary response

Answer 14

sample made up voluntary

Question 15

observational

Answer 15

a study without changing parameters didn’t change

Question 16

experimental

Answer 16

apply a treatment to a part of the group

Question 17

simulations

Answer 17

use a mathematical model (often with a computer) (results but don’t put people in danger)

Question 18

census

Answer 18

access to all of population

Question 19

sample surveys

Answer 19

a count or measure of part of the population * sample, survey to get some results*1