Mean, Median, Mode,
and Range
and Range
The list shows the time in seconds it took for each of 9 runners to complete a 100-meter sprint.
15.8 14.1 15.3 17.0 15.3 16.7 17.4 15.2 16.3
Order the numbers from least to greatest.
14.1, 15.2, 15.3, 15.3, 15.8, 16.3, 16.7, 17.0, 17.4
Find the equation of the line using the following table.
x y
1 6
2 12
3 18
4 24
y = 6x
Solve the following equation for x.
x - 10 = 10
x = 20
Solve the following inequality for w.
6w < 42
w < 7
At a school, 25% of the students bring their lunch from home. There are 200 students in the school. How many students bring their lunch from home?
A. 25
B. 50
C. 75
D. 100
B. 50
The list shows the time in seconds it took for each of 9 runners to complete a 100-meter sprint.
15.8 14.1 15.3 17.0 15.3 16.7 17.4 15.2 16.3
What is the mode?
15.3
Find the equation of the line using the following table.
x y
1 5
2 6
3 7
4 8
5 9
y = x + 4
Solve the following equation for x.
7x = 49
x = 7
Solve the following inequality for a.
a - 22 > 11
a > 33
In the park, 20% of the trees change color in the fall. There are 600 trees in the park. How many trees in the park change colors in the fall?
A. 105
B. 200
C. 460
D. 120
D. 120
The list shows the time in seconds it took for each of 9 runners to complete a 100-meter sprint.
15.8 14.1 15.3 17.0 15.3 16.7 17.4 15.2 16.3
What is the range?
17.4 - 14.1 = 3.3
The length of Ms. P’s boat is x feet. The length of Mr. G’s camping boat, y, is 8 feet more than the length of Ms. P’s trailer.
Which equation represents y, the length of Mr. G’s boat in feet?
y = x + 8
Solve the following equation for x.
10x - 2x = -64
x = 8
Solve the following inequality for w.
7w + 2w > 81
w > 9
An employee's starting salary is 30,000. The employee will receive a 5% increase in salary after completing several months of training. What is the amount of the employee's salary increase after the training?
A. 1,080
B. 30,050
C. 1,750
D. 32,000
C. 1,750
The list shows the time in seconds it took for each of 9 runners to complete a 100-meter sprint.
15.8 14.1 15.3 17.0 15.3 16.7 17.4 15.2 16.3
What is the median?
15.8
Gary has x amount of candies. The amount of candies Patrick has, y, is 4.5 times more than the amount Gary has.
Which equation represents y, the amount of candies Patrick has?
y = 4.5x
Solve the following equation for x.
2x + 6 = -4
x = -5
Solve the following inequality for a.
5a +12 > 27
a > 3
A gym membership costs $48 per month. After a promotion, the monthly cost increases by 12%. What is the amount of the increase in the monthly cost?
A. $5.76
B. $53.76
C. $4.80
D. $6.24
A. $5.76
The list shows the time in seconds it took for each of 9 runners to complete a 100-meter sprint.
15.8 14.1 15.3 17.0 15.3 16.7 17.4 15.2 16.3
What is the mean?
143.1/9 = 15.9
Find the equation of the line using the following table.
x y
12 30
15 37.5
18 45
21 52.5
y = 2.5x
Solve the following equation for x.
6x - 3x - 12 = 3
x = 5
Solve the following inequality for x.
2x + 4x -12 < 12
x < 4
Out of 950 people in an art museum, 34% had an annual pass. How many people did not have an annual pass?
646 people did not have an annual pass.