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Population and Samples

Total questions: 15

Worksheet time: 22mins

Name
Class
Date
1.

____________ is an entire group of something from which data can be collected

a)

sample

b)

population

c)

stratified sample

d)

random sample

2.

________ a subset of the population

a)

sample

b)

population

c)

biased sample

d)

stratified sample

3.

___________ a sample that is not representative of the population

a)

stratified sample

b)

systematic sample

c)

sample

d)

biased sample

4.

______________ is a sampling method in which every member of the population has an equal chance of being chosen

a)

stratified

b)

systematic

c)

random

d)

representitive

5.

______________ a sample of that has been divided into subgroups and whose members have been chosen at random from the subgroups

a)

random

b)

simplified

c)

stratified

d)

systematic

6.

_______________ is a sample of the population that has been selected using a pattern, rule, or formula

a)

biased

b)

representative

c)

systematic

d)

stratified

7.

___________ is a sample of the population that has the same characteristics as the population

a)

stratified

b)

systematic

c)

biased

d)

representitive

8.

average

a)

median

b)

mean

c)

mode

9.

middle (once data is in numerical order)

a)

mean

b)

mode

c)

median

10.

the piece of data that occurs most

a)

median

b)

mode

c)

mean

11.

If 4 out of 30 students preferred vanilla in their grade, how many students would not prefer vanilla if 90 students were surveyed?

a)

12 students

b)

78 students

c)

76 students

d)

7 students

12.

If 9 out of 30 students liked cookies and cream, how many students would prefer cookies and cream if 180 students were surveyed?

a)

126 students

b)

54 students

c)

20 students

d)

120 students

13.

A toy store owner is tracking how much kids spend each month on toys.

Which choice best represents a population?

a)

226 boys and girls in the toy store

b)

all the kids that bought toys

c)

230 rich kids

d)

261 boys ages 7-15

14.

A musician wanted to see what people who bought his last album thought about the songs.

Which best represents a sample?

a)

every person from ages 5-12 who bought the album

b)

a selection of 9630 people who bought the album

c)

268 girls that bought the album

d)

every person that bought the album

15.

A principal wants to see which subject the 500 students in his school liked best.

Which choice best represents a sample

a)

the girls in the school

b)

everyone in the school

c)

the first 86 students that come into the school

d)

the students in 3rd grade