wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Math 7 April 3

Total questions: 10

Worksheet time: 10mins

Name
Class
Date
1.

What is a population?

a)

The entire pool from which a sample is drawn.

b)

A set of data collected and/or selected from a population by a defined procedure.

c)

A survey conducted on the full set of observation objects belonging to a given population or universe.

d)

A subset of a staticial population in which each member of the subset has an equal probability of being chosen.

2.

What is a sample?

a)

The entire pool from which a sample is drawn.

b)

A set of data collected and/or selected from a population by a defined procedure.

c)

A survey conducted on the full set of observation objects belonging to a given population or universe.

d)

A subset of a staticial population in which each member of the subset has an equal probability of being chosen.

3.

What is a census?

a)

The entire pool from which a sample is drawn.

b)

A set of data collected and/or selected from a population by a defined procedure.

c)

A survey conducted on the full set of observation objects belonging to a given population or universe.

d)

A subset of a staticial population in which each member of the subset has an equal probability of being chosen.

4.

What is a random sample?

a)

The entire pool from which a sample is drawn.

b)

A set of data collected and/or selected from a population by a defined procedure.

c)

A survey conducted on the full set of observation objects belonging to a given population or universe.

d)

A subset of a staticial population in which each member of the subset has an equal probability of being chosen.

5.
12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?
a)
24 weeks
b)
6 weeks
c)
30 weeks
d)
20 weeks
6.
A grading machine can grade 48 multiple-choice tests in 1 minute.  How log will it take the machine to grade 300 tests?
a)
6 minutes
b)
6.25 minutes
c)
5.25 minutes
d)
5 minutes
7.
According to a random telephone survey of 200 adults, 75% of all working adults in the U.S. are satisfied with their current job. What is the population in this survey?
a)
200 adults
b)
adults in the U.S.
c)
75% of adults
8.
Zoie completes a report by asking 70 students across campus. She found that 48% of CTMS students do not wash their hands after using the bathroom. What is the sample size?
a)
48
b)
100
c)
70
d)
CTMS students
9.
Ms. Wilson concludes that 85% of the students in the school have at least one pet after she conducts a survey of 25 students in her class. Is this survey a census or a sample?
a)
census
b)
sample
c)
not enough information to tell
d)
both
10.
Manny wants to know how many students at CTMS enjoy solving math problems. What is the best sampling method?
a)
ask for 20 volunteers to discuss whether they enjoy solving math problems
b)
ask the last 20 people to arrive at CTMS 
c)
Randomly ask 2 students in the hallway
d)
Ask every 20th student that walks into school