One-Variable Statistics
The data set is 3, 7, 8, 8, 10. Find the mean (average).
What is 7.2?
A gym charges a $15 membership fee plus $5 per visit.
Write an equation for total cost C after v visits.
What is
C=15+5v
Distribute and simplify.
4(2-x)
What is
8-4x
Solve:
21x=3
x=1/7
Does the graph of the line go up or down from left to right?
y=-2x+5
What is down?
Solve by substitution:
x+3y=10
x=4
What is
(x,y)=(4,2)
The name of Mr. Nuñez's dog
Who is Waffles?
This is a show about a group of young teenagers dealing with supernatural forces and secret government exploits (on Netflix)
What is "Stranger Things"?
A set of quiz scores has a mean of 12. If the total of all scores is 84, there are _________ test scores.
What are 7 test scores?
A taxi ride costs $3.25 to start and $0.80 per mile. Write an equation for total cost T after m miles.
What is
T=3.25+0.80m
Which equation is equivalent to:
3(x+2)=12
What is
3x+6=12
x+2=4
3x=6
x=2
Solve:
5x-7=18
x=5
The following make up a table of values:
x: 1 | 2 | 3 | 4 | 5 |
y: 4 | 7 | 10 | 13 | 16 |
What will the y be equal to when x is equal to 15?
What is
y=46
Does the following system have one solution, no solutions, or infinitely many solutions? If it has a solution, find it.
y=2x+1
y=-x+7
One solution
(x,y)=(2,5)
The name of baby yoda from the Disney plus show, "The Mandalorian"
Who is Grogu?
What country hosted the 2024 Summer Olympics
What is France?
A data set has values 4, 6, 7, 10.
Which number(s) could you add to the set so that the median stays 6.5?
What are any numbers less than or equal to 6 and greater than or equal to 7?
A plant is 12cm tall and grows 2.5cm per week.
Write a linear equation for height H after w weeks.
What is
H=12+2.5w
Are these two equations equivalent? Explain how you know.
5x-10=0
x-2=0
Equivalent; (Answers may vary)
Solve:
7x-3=4x+12
x=5
When graphing the following inequality, should the boundary line be solid or dashed? Will the test point (0,0) be a solution?
y>3x-1
Boundary line: Dashed
Test point is a solution
Solve the system:
3x+y=12
7x-7y=14
What is
(x,y)=(3.5,1.5)
Lando Norris drives for this Formula 1 team
What is McLaren Racing?
This artist had an album titled Chromakopia (2024)
Who is Tyler, the Creator?
Two classes took the same 10-point quiz.
Class A scores: 6, 7, 7, 8, 7
Class B scores: 0, 7, 7, 7, 14
Both classes have the same mean.
Which class has the larger standard deviation, and why?
Class B; It has more variance
You have $178 deposited into your lunch meal plan at your university. You spend $12 per day on lunch. After how many days d will you have less than $10?
What is
d>14
Which of the following equations is equivalent to:
2(x-3)+4=x+10
A. x-6=10
B. x=12
C. x+1=16
D. x=16
B.
Solve:
3(x+4)=2x+10
x=-2
The following make up a table of values:
x: 1 | 2 | 3 | 4 | 5 |
y: 4 | 7 | 10 | 13 | 16 |
An equation that can be used to find any value of y given x is...
What is
y=3x+1
A theater sells student tickets for $8 and adult tickets for $12.
They sold 110 tickets and collected $1120. Let
s = number of student tickets,
a = number of adult tickets
Write and solve a system.
What is
s+a=110
8s+12a=1120
(s,a)=(50,60)
This country is the largest in the world by land area
What is Russia?
The most-streamed hip hop/rap song on Spotify in 2024 was __________, with over 1 billion streams
What is "Not Like Us" by Kendrick Lamar?
A data set of 8 test scores has a mean of 80 and a standard deviation of 5.
You notice there is a single low outlier, 60. If you change only the 60 to a 90, what happens to:
The mean (increase, decrease, or stay the same)?
The standard deviation (increase, decrease, or stay the same)?
Mean → increases
Standard deviation → decreases
Two cell phone plans have the following monthly prices:
Plan A: $40 base fee + $5 per GB
Plan B: $25 base fee + $8 per GB
Write an equation and solve to find how many GB it takes for the two plans to cost the same. Then, state the amount.
What is
40+5g=25+8g
g=5
$65
Are these equations equivalent? Explain.
A. 6x-12=2(x+3)
B. 4x-12=6
Equivalent; (Answers may vary)
Solve:
4(x-3)+2=3(x+5)-7
x=18
Renting a bike costs $7 per hour. You have $189 to spend.
Write an inequality showing the number of hours h you can rent the bike, describe the graph, and determine the maximum whole number of hours.
Maximum whole number of hours: 27 hours
7h<=189
h<=27
A school club is selling T-shirts and hoodies to raise money.
-T-shirts cost $12 each for the club to buy.
-Hoodies cost $25 each for the club to buy.
-The club must spend no more than $500 total on inventory.
-They also want to order at least 30 total items.
Let t = number of T-shirts, h = number of hoodies.
Write a system of inequalities representing the situation.
Give one possible combination of T-shirts and hoodies that satisfies both conditions.
12t+25h<=500
t+h>=30
(Possible combinations of T-shirts and hoodies may vary)
This was the first year Apple released an iPhone
What is 2007?
The highest-grossing movie of 2025 (so far) in the United States was _________, which earned $423,949,195.
What is "A Minecraft Movie"?