NEW
Font size
S
M
L
XL
Worksheetsreviewer math 8
Total questions: 60
Worksheet time: 3hrs 39mins
Name
Class
Date
1.
Find the mean:
28, 18, 19, 18, 17
28, 18, 19, 18, 17
a)
20
b)
18
c)
11
d)
19
2.
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10
12,10,10,10,13,12,11,13,10
a)
13
b)
12
c)
11
d)
10
3.
Calculate the mean.
2, 9, 10, 6, 8
a)
8
b)
4
c)
7
d)
22
4.
What is the median of this data set?
3 , 17 , 17 , 11 , 8 , 13 , 5 , 18
3 , 17 , 17 , 11 , 8 , 13 , 5 , 18
a)
11
b)
12
c)
13
d)
17
5.
The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?
What is their average height?
a)
210
b)
207
c)
220
d)
200
6.
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
1,0,1,5,6,3,4
a)
3.33
b)
2.85
c)
3
d)
3.5
7.
Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7
5, 6, 3, 9, 0, 4, 1, 2, 7
a)
4
b)
4.1
c)
5
d)
4.5
8.
The cost of four cell phones are $345, $400, $110, and $640.
What is the median cost
What is the median cost
a)
$330
b)
$390
c)
$372.50
d)
$375
9.
What is the median of this data set?
3 , 17 , 17 , 11 , 8 , 13 , 5 , 18
a)
11
b)
12
c)
13
d)
17
10.
What is the median of this data set?
20 , 1 , 7 , 19 , 11 , 19
20 , 1 , 7 , 19 , 11 , 19
a)
11
b)
15
c)
19
d)
20
11.
What is the median of this data set?
5, -2, 4, 2, -3, 0
5, -2, 4, 2, -3, 0
a)
-1
b)
0
c)
1
d)
2
12.
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
13.
What is the mode of the following data set?
5, 7, 7, 8, 12 , 12, 5, 6, 13, 12
a)
5
b)
7
c)
12
d)
no mode
14.
What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7
7, 14, 20, 3, 7, 14, 2, 14, 7
a)
7
b)
20
c)
7 & 14
d)
none of the above
15.
Find the median from the list of numbers:
60, 58, 52, 48, 60, 67
a)
58
b)
59
c)
60
d)
118
16.
Find the mean of these numbers:
4,2,5,6,3
4,2,5,6,3
a)
2
b)
5
c)
4
d)
6
17.
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
a)
5
b)
6
c)
9
d)
11
18.
Mode:
67, 74, 95, 98, 98, 99, 102
67, 74, 95, 98, 98, 99, 102
a)
90.4
b)
35
c)
92
d)
98
19.
How would you describe the mean?
a)
difference
b)
average
c)
middle
d)
most repeated number
20.
In order to find the median, the data must be sorted from least to greatest first.
a)
True
b)
False
21.
Find the Mean.
a)
5.8
b)
5
c)
5.6
d)
6
22.
What does "mean" mean?
a)
average
b)
middle
c)
repeats the most
d)
variation
23.
What does "mode" mean?
a)
average
b)
middle
c)
repeats the most
d)
variation
24.
What is a the meaning for "median"?
a)
fair share
b)
middle
c)
repeats the most
d)
variation
25.
How do you find the range?
a)
order least to greatest, then slash from each side until you reach the middle
b)
add the numbers in your data set, then divide by the amount you added
c)
look for the number that repeats the most
d)
highest number minus the lowest number
26.
How do you find the mode?
a)
order least to greatest, then slash from each side until you reach the middle
b)
add the numbers in your data set, then divide by the amount you added
c)
look for the number that repeats the most
d)
highest number minus the lowest number
27.
What is the median?
a)
62
b)
58
c)
66
d)
60
28.
What was the highest score on the math test?
a)
53
b)
79
c)
97
d)
90
29.
Another word for average is
a)
sample
b)
mean
c)
data
d)
numerical data
30.
The entire pool; the total set of people/objects that can be studied
a)
population
b)
sample
c)
datum
d)
probability
31.
The entire group of objects or individuals considered for a survey.
a)
biased sample
b)
population
c)
random sample
d)
sample
32.
A sample in which each individual or object in the entire population has an equal chance of being selected.
a)
biased sample
b)
population
c)
random sample
d)
sample
33.
A part of the population.
a)
biased sample
b)
population
c)
random sample
d)
sample
34.
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
1,0,1,5,6,3,4
a)
3.33
b)
2.85
c)
3
d)
3.5
35.
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10
12,10,10,10,13,12,11,13,10
a)
13
b)
12
c)
11
d)
10
36.
If there is an even number of data in the data set how do you find the median?
a)
order the data and find the middle value
b)
order the data add the 2 middle values and divide by 2
37.
6. Find the mean.
18, 2, 0, 0, 0
18, 2, 0, 0, 0
a)
4
b)
5
c)
10
d)
20
38.
The mode score on the Mr. Ro's 6th grade math test was 94! Which of these interpretations must be correct?
a)
99 was the highest score on the test.
b)
More students received a 94 than any other score
c)
No student scored below a 50
d)
A score of 91 was slightly below average.
39.
When calculating the mean you
a)
add all the numbers together and divide by the number of items
b)
scream
c)
cry
d)
pick the one that happens the most
40.
I have been running to keep stay in shape. These are the number of miles I have been running this week: 5, 4, 3, 5, 4.5, 5.5 and 2.5. What is my mean running distance?
a)
3.5
b)
4.75
c)
4.21
d)
3.71
41.
To find the average of a set of numbers, add up all the items and divide by...
a)
2
b)
The minimum
c)
The maximum
d)
The number of items
42.
A data set can have more than one mode
a)
True
b)
False
43.
A data set can have more than one median?
a)
True
b)
False
44.
What is the range?
a)
average
b)
biggest-smallest
c)
the middle #
d)
# happening the most
45.
The number of miles that Jenna cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?
a)
24
b)
36
c)
39
d)
52
46.
a strategy for choosing a sample from a population
a)
sampling plan
b)
sample size
c)
census
d)
distribution
47.
how the data is spread out on a graph
a)
distribution
b)
sample size
c)
census
d)
range
48.
The set of numbers below is called.....
4 , 6 , 1 , 8 , 6 , 3 , 7 , 6
a)
raw observation
b)
raw number
c)
raw data
d)
raw result
49.
Jenny scored at the 99th percentile on a test. How should we interpret this information?
a)
Jenny scored better than 99% of people who took this test
b)
Jenny scored worse than 99% of people who took this test
c)
Jenny got 99% of the questions on the test right
d)
Jenny got 99% of questions on the test wrong
50.
What measures of position divides the distribution into 100 equal parts?
a)
quartiles
b)
deciles
c)
percentiles
d)
range
51.
The number of miles that Jenna cycled each week for a 7-week period is shown:
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?
36, 42, 28, 52, 48, 36, 31
What is the median number of miles Jenna cycled?
a)
24
b)
36
c)
39
d)
52
52.
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below:
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
a)
5
b)
6
c)
9
d)
11
53.
A data set can have more than one median?
a)
True
b)
False
54.
Mode:
67, 74, 95, 98, 98, 99, 102
67, 74, 95, 98, 98, 99, 102
a)
90.4
b)
35
c)
92
d)
98
55.
A data set can have more than one mode
a)
True
b)
False
56.
To find the average of a set of numbers, add up all the items and divide by...
a)
2
b)
The minimum
c)
The maximum
d)
The number of items
57.
What is the definition of the range?
a)
The average
b)
The number that occurs the most
c)
The middle number
d)
The difference of the largest and smallest numbers
58.
Say 'TRUE' or 'FALSE'
Mean, Median, Mode of a grouped data are always equal
Mean, Median, Mode of a grouped data are always equal
a)
TRUE
b)
FALSE
59.
Say 'TRUE' or 'FALSE'
The median of an un-grouped data and the median when the same data is grouped are always the same
The median of an un-grouped data and the median when the same data is grouped are always the same
a)
TRUE
b)
FALSE
60.
What is the class size of the class 15 - 30?
a)
15
b)
30
c)
22
d)
22.5
Reset
