Mean, Median, Mode
Box Plots
Probability
Samples &
Histograms
Histograms
Range & Variability
100
Give the definition of mean, median, and mode.
What is the mean is the average
What is the median is middle number in the order of data from least to greatest
What is the mode is the most common number in the data
100
What is the median?
What is 62
100
If you flip a coin, what is the probability that you will land on heads? Give the fraction and the percent
What is 1/2 and 50%?
100
Which of the following groups is NOT considered a sample of the US population?
A. Women who live in the US
B. People who are registered to vote in the US
C. Europeans who vacation in the US
D. Students who attend public schools in the US
What is C. Europeans who vacation in the US
100
Which class shows more variability?
What is class A
200
Give the mean, median, and mode for the data set:
0,1,4,7,2,9,8,0,1,7,4,5,6,6,3,7,8,9
What is:
Mean: 4.83
Median: 5.5
Mode: 7
200
What is the mean?
What is there is no mean. (not enough information)
200
A number cube is rolled. What is the likelihood that a
number less than or equal to three is rolled?
A. unlikely
B. equally likely
C. likely
D. certain
What is B. equally likely
200
A middle school has 6th, 7th, and 8th grade students. Which of the following would be a random sample of the students?
A. Surveying all of the teachers
B. Surveying the students who buy their lunch in the cafeteria
C. Surveying everyone whose last name begins with a G.
D. Surveying every tenth student who is on the class rosters.
What is D. Surveying every tenth student who is on the class rosters.
200
What is the range in the data set below:
55,74,101,36,61
What is 65
300
Which would be the best measure of center for this data?
0, 2, 3, 2, 4, 3, 2, 15
Median because 15 is an outlier and will skew the mean
300
What percent of the class scored above a 62?
What is 50%
300
Which of the following has a certain likelihood of occurring?
A. A field goal will be made by the kicker
B. There is a 70% of rain on Monday
C. Next month has at least 29 days
D. A coin will land on either heads or tails
What is D. A coin will land on either heads or tails
300
How many schools received a monthly school fee of 120 or more? 
What is 41 schools
300
Is the variability low, medium, or high?
What is medium
400
How would adding 51 change the mean, median, and mode ?
101, 72, 91, 80, 70
What is:
Mean - it would decrease
Median - it would decrease
Mode - no change
400
Is the box plot right skewed, left skewed, or symmetrical?
What left skewed
400
A weather forecast indicates that it is likely that it will rain in town today. What could be the probability of it raining in the town today?
A. .8
B. .5
C. .2
D. .1
What is .8
400
Left skewed, right skewed, or symmetrical? 
What is right skewed
400
Range is the measure of ______
What is variability
500
If you were to put an outlier of 23 in the data set
0,1,4,7,2,9,8,0,1,7,4,5,6,6,3,7,8,9
how would that influence the mean, median, and mode?
What is:
Mean - it would increase
Median - it would increase
Mode - no change
500
What does the number 40 represent ? 
What is the IQR (interquartile range)
500
In a game the player wins if he rolls a 4 on a
number cube. If the number cube is rolled 24
times, then what is a reasonable prediction for
the number of unsuccessful rolls?
What is 20 unsuccessful rolls
500
Is a convenience sample (sampling the people closest to you) biased or unbiased?
What is biased?
500
What percent of the data is shown in the interquartile range (IQR)?
What is 50%