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Samples, Mean, Median, Mode, Range

Total questions: 35

Worksheet time: 2hrs 13mins

Name
Class
Date
1.
To find the _________ you add up all the numbers and then divide by how many numbers you have.
a)
Mean
b)
Median
c)
Mode
d)
Range
2.
To find the ______ you put all numbers in order from least to greatest and then take the largest number minus the smallest number.
a)
Mean
b)
Median
c)
Mode
d)
Range
3.
To find the ________ you put all numbers in order from least to greatest and find the number that is in the middle.
a)
Mean
b)
Median
c)
Mode
d)
Range
4.
A data set can have more than one mode
a)
True
b)
False
5.
How would you describe the mean?
a)
difference
b)
average
c)
middle
d)
most repeated number
6.
What is the mode?
a)
# happening the most
b)
the average
c)
biggest - smallest
d)
the middle #
7.
In order to find the median, the data must be sorted from least to greatest first.
a)
True
b)
False
8.
What’s the mode?
a)
1
b)
2
c)
7
d)
9
9.

What is the median of this data set?


7, 9, 7, 8, 3, 2, 3, 9, 6

a)

6

b)

3

c)

7

d)

8

10.

What's another word for median?

a)

average

b)

mode

c)

middle

d)

mean

11.

What is the range of this data set?


7, 1, 6, 9, 4, 6, 2

a)

8

b)

7

c)

6

d)

5

12.

What is the mean of this data set?


2, 3, 7, 4, 9

a)

4

b)

5

c)

6

d)

7

13.

What is the median of this data set?


7, 9, 7, 8, 3, 2, 3, 9, 6

a)

6

b)

3

c)

7

d)

8

14.
Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4
a)
3.33
b)
2.85
c)
3
d)
3.5
15.
What is the median of this data set?
5, -2, 4, 2, -3, 0
a)
-1
b)
0
c)
1
d)
2
16.

Calculate the mean of Shelly's test scores if she has scored 75, 97, and 92 so far this semester.

a)

92

b)

88

c)

132

d)

123

17.

What is the mode of the data?

a)

4, 6, 7

b)

4, 6

c)

7

d)

4

18.
The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?
a)
210
b)
207
c)
220
d)
200
19.
_______ is a part of a group being surveyed.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
20.
_________ is a sample in which each individual or object in the entire population has na equal chance of being selected.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
21.
_______ is the entire group of objects or individuals considered for a survey.
a)
Sample
b)
Population
c)
Random Sample
d)
Quartile
22.
A new cable TV station wants to study the viewing habits of households.  The station surveys every household that purchased a new TV within the last 2 years in New York.  Is this random sampling?
a)
Yes
b)
No
23.
A U.S. senator from Maine wants to find out the opinion of the voters in his state on issues concerning education.  The office of the senator sends out a survey to a random sample of registered voters in Maine.  Is this random sampling?
a)
Yes
b)
No
24.
Tom surveys 40 moviegoers by randomly choosing their names.  What type of sampling method is this?
a)
Random
b)
Convenience
c)
Biased
25.
The TV station wants to get the opinion of viewers on the look of a new game-show set.  The station's staff calls random people in the phone book.  Is this biased or unbiased?
a)
Biased
b)
Unbiased
26.
An automobile dealer surveys its customers to determine their level of satisfaction with the services provided at the dealership.  The sample is chosen from a list of e-mail addresses.  Is this biased or unbiased?
a)
Biased
b)
Unbiased
27.
x/12 - 5 = -6
a)
-12
b)
-19
c)
11
d)
15
28.
5=7s-9
a)
2
b)
6
c)
7
d)
8
29.
2x - 3 + 4x = 27
a)
12
b)
4
c)
5
d)
15
30.

3x + 2(4x - 4) = 3

a)

x = 4

b)

x = 3

c)

x = 2

d)

x = 1

31.

-11 + 3(b + 5) = 7

a)

b = 1

b)

b = -1

c)

b = 3

d)

b = -3

32.

What is the firs step in solving for the variable?

 4x + 6 + 3= 174x\ +\ 6\ +\ 3=\ 17  

a)

Distributive property

b)

Combine Like Terms

c)

Move the variables to the same side

d)

Solve for the variable

33.

What is the firs step in solving for the variable?

 −11 + 3(b + 5) = 7-11\ +\ 3\left(b\ +\ 5\right)\ =\ 7  

a)

Distributive property

b)

Combine Like Terms

c)

Move the variables to the same side

d)

Solve for the variable

34.

Solve the equation.


3x + 2(4x - 4) = 3

a)

x = 4

b)

x = 3

c)

x = 2

d)

x = 1

35.

Solve the equation.


-11 + 3(b + 5) = 7

a)

b = 1

b)

b = -1

c)

b = 3

d)

b = -3

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