Mean, median, range, and outliers
Measures of Variability
Box and Whisker Plots
All the stats
Random Trivia
100
Name the 2 measures of center
What are mean and median.
100
Name 2 measures of variability.
What are MAD, SD, and IQR.
100
According to the box and whisker plot below, what is the range of the data?
13
100
True/False: A grade of 50 on the quiz is included in the first bar of the histogram.
FALSE
100
Besides the Connecticut, which is the longest of the four rivers after which the school is named?
Deerfield
~76 miles
200
Find the mean of the following set of data: 13, 23, 21, 20, 21, 24, 18.
What is 20?
200
True or false, the MAD is the average distance that a number in the data set falls from the median of the data set?
FALSE
200
What is another word for Q2?
Median
200
Yes or no: Is "How many siblings do you have?" a statistical question?
No. This is a survey question.
Statistical version: On average, how many siblings do students at Four Rivers have?
200
How many legs does a lobster have?
10
300
Find the median of the following set of data: 13, 23, 21, 20, 21, 24, 18
What is 21
300
Find the interquartile range for the following set of data: 13, 23, 21, 22, 25, 19, 22
What is 4?
300
Find Q1 and Q3 for the following data set: 85, 84, 87, 86, 90, 80
q1=84
q3=87
300
Name the word for the most frequent number in the data set.
mode
300
What is a group of hippos called?
bloat or thunder
400
What is the difference between the mean and the median in the following data set: 1, 2, 3, 4, 6, 8, 11
5-4=1
400
Find the MAD of the following data set: 5, 7, 6, 4, 3
What is 1.2?
400
Find the interquartile range, round to the nearest tenth if necessary: 5, 2, 4, 7, 4, 4, 1
3
400
A number is an outlier if it falls greater than or equal to _______ times the IQR of Q1 or Q3.
1.5
400
The estimated population of Greenfield, MA is _____________ times as big as the number of students enrolled at Four Rivers (216).
(closest without going over)
82
17,768/216 = 82.3
500
Name the highest whole number that is lower than Q1 that is an outlier for this data set: 13, 23, 21, 20, 21, 24, 18
What is 10?
500
Find the mean absolute deviation, round to the nearest tenth. 23, 37, 33, 39, 29, and 31
4.3
500
Spell the words acronym-ed as IQR correctly.
INTERQUARTILE RANGE
500
What is the median letter in this data set?
E
500
In what state is the town that is farthest distance from any National Park?
Alaska (Adak)