1 Vari this you filthy casual
Graphs of Bars, Histograms / Linear Regression
Multipurpose
Possible Outcomes
100
Match the symbols with the definition
Then, in your own words describe what standard deviation means.
Standard Deviation is the average distance of the data points from the mean.
100
When comparing the price of a smartphone with the daily screen usage in minutes you found the following data:
Linear Regression Equation: y = 0.315x+35
Correlation Coefficient: r=0.912
1. In two words, describe the Correlation Coefficient.
2. If a phone costs $799, what would you expect the owners screen time to be?
1. Strong Positive
2. y=0.315(799)+35
y=286.7
A person paying $799 on their phone is expected to spend about 286.7 minutes on it every day.
100
From a standard 52 deck of cards, find the probability:
P(5 and Black)
P(Face or Even)
P(5 and Black) = 1/26
P(Face or Even) = 12/52 + 20/52 = 32/52=8/13
100
How many ways can you make a Calzone with 2 doughs, 6 sauces and 12 toppings?
2*6*12=144
200
Classify the following as quantitative or qualitative (numerical or categorical)
1. Favorite ice cream flavor
2. Amount of Instagram followers
3. Favorite Number
1. Qualitative / Categorical
2. Quantitative / Numerical
3. Qualitative / Categorical
200
y=5.493x+21.721
r=0.973
Strong Positive
For every burger that I eat, my sleep rating goes up by about 5.493.
y=5.493(13)+21.721=93.13
200
You have a 7 sided dice with faces with numbers from 1 - 7. Find the following probabilities:
1. Rolling an even number or less than 4
2. Rolling a number that starts with the letter t or ends in e
3. The complement of rolling a number greater than 4
1. 3/7+3/7-1/7=5/7
2. 3/7+2/7-1/7=4/7
3. 4/7 Complement means opposite
200
Mr. Chong has his moms car for the weekend and can think of 10 different ways to commit a felony but he only has time for 3. How many different routes can Mr. Chong drive to commit these felonies?
10P3=720
300
Mr. Chong is done with casual dating. He's going ranked. He was rated the following on his last 7 dates. If he wants to have an average score of 85, what will he need to earn on his 8th date?
7, 15, 32, 17, 19, 26, 4
(7+15+32+17+19+26+4+x)/8=85
x=560
300
True or False for the following questions:
1. The highest income is 100
2. The lowest income is 0
3. The most common income is between 40k and 50k
4. About 370 employees are between 60k and 70k
1. False, unknown
2. False, unknown
3. True
4. False, about 280
300
What is the probability (in simplest fraction) of pulling a person that:
likes soda or water?
likes soda or pizza?
likes no food given they like no drink?
200/400+140/400=17/20
200/400+182/400-120/400=131/200
10/60=1/6
300
How many distinguishable ways can you line up all the chess pieces of one team?
(16!)/(8!2!2!2!)=64864800
400
Mr. Chong is collecting traffic violations like Pokemon Cards.
What is the mean, median, mode, and sample standard deviation?
What is the total amount of money that Mr. Chong owes?
\bar(x)=126.71
MED=85
Mode = Parking Tickets
S_x=82.1
Total Owed: $5195
400
Draw a unicorn eating a donut
400
Mr. Chong is collecting different traffic violations in the glove compartment of his car. There are 12 speeding tickets, 18 parking violations, 4 hit and runs, 7 driving while using a phone. Find the following probabilities with 4 decimals:
1. Pulling out a Speeding Ticket followed by 2 Hit and Runs without replacement
2. Pulling a Parking Violation followed by Phone usage with replacement
12/41*4/40*3/39=0.0022
18/41*7/41=0.0750
400
Mr. Chong has 53 Algebra 2 students and wants to create chaos. He decides he will falsely accuse groups of 3 of cheating. How many different groups could Mr. Chong accuse?
53C3=23426
500
Nebraska License plates are 3 letters followed by 3 numbers. The first number can only be 0 or 1 and the second number must be even. If characters can repeat, how many different license plates can be made in Nebraska?
2*4*10*26*26*26=1406080