Measures of Center/Variability
Random
Comparing Data
Simple Probability
Compound Probability
100
Find the mode for the set of data: 5, 4, 3, 6, 3, 7, 2, 8, 4, 6, 3, 7, 8
3
100
What is the probability you will walk outside and see a flying zebra?
A. Impossible
B. Unlikely
C. Equally Likely
D. Likely
E. Certain
Impossible
100
Based on the dot plots, do those surveyed spend more time exercising or playing video games? 
They spend more time playing video games.
100
Given a standard die, what is the probability of rolling an even number written as a percentage?
50%
100
When rolling two standard dice, what is the probability of rolling both even numbers? Write your answer as a fraction.
9/36=1/4
200
Find the range for the set of data: 4, 7, 9, 2, 6, 3, 11, 4, 6, 3, 8, 7
9
200
What is the probability you will get an even number when you roll a dice?
A. Impossible
B. Unlikely
C. Equally Likely
D. Likely
E. Certain
C. Equally likely
200
Which dot plot has a wider range?
Video games
200
In a deck of 52 cards, what is the probability of randomly drawing an ace? Write your answer as a fraction.
4/52=1/13
200
When rolling two standard dice, what is the probability of rolling the sum of 7? Write your answer as a fraction.
6/36=1/6
300
Find the median for the set of data: 4, 8, 7, 3, 2, 9, 8, 5, 3, 8
6
300
Mr Wilson wants to know what sport kids at French want to see added to middle school options. What sample would be representative for him to ask?
A. a group of 40 students currently involved in sports
B. a group of 40 students NOT involved in sports
C. a group of students with 1 each from 6th, 7th, and 8th grade
D. a group of 40 students randomly selected from the school
D. a group of 40 students randomly selected from the school
300
Which class had the more consistent performance on their test based on the box plots? Why?
2nd period was more consistent because they had both a smaller range and a smaller interquartile range.
300
Based on the spinner shown, what is the probability of spinning an even number? Write your answer as a fraction. 
2/9
300
What is the probability of flipping heads on a coin, then rolling a number less than 4 on a die?
3/12=1/4
400
Find the mean for the set of data: 5, 8, 3, 5, 7, 2, 9, 8
5.875
400
Based on the histogram, which height range had the greatest frequency?
75-80 feet
400
Lee Middle School has 420 students. Irene surveys a random sample of 45 students and finds that 18 of them have pet cats. How many students are likely to have pet cats?
168 students
400
Based on the spinner shown, what is the probability of landing on green? Write your answer as a percentage.
33.3%
400
Based on the spinners shown, what is the probability of spinning an even number on both spinners? Write your answer as a percentage.
50%
500
Find the mean for the set of data: 10, 12, 15, 21, 19, 20, 20, 18, 17, 21
17.3
500
Ms. Wagner wants to plan a celebration for 7th grade students for the end of the year. She wants to know if they would prefer a pizza party or an ice cream party. Which sample would be most representative for her research?
A. randomly selected students from each lunch period
B. randomly selected students from each 7th grade AB
C. randomly selected students students who are eating pizza at lunch
D. randomly selected students who attended the last 7th grade celebration
B. randomly selected students from each 7th grade homeroom
500
Who has a higher average?
Daniel
500
What is the probability of drawing the yellow marble? Write your answer as a fraction and percentage.
1/10 = 10%
500
When spinning the spinner shown below twice, what is the probability of spinning green both times? Write your answer as a fraction and percent.
4/64=1/16=6.25%