Measures of Variation
How do you calculate the IQR of a data set?
Q3 - Q1
Find the Mode. 35, 56, 34, 44, 52, 12, 34, 45
34
How would you describe the shape of this histogram?
Symmetric
You have a symmetric data set. Which measure of center best represents the data?
Mean
Who is the only US President from Michigan?
Gerald R. Ford
Find the MAD: 10, 7 , 13, 10, 5
2.4
Find the Mean. 24, 34, 32, 16, 45, 38, 28
31
How many families were surveyed for the number of children?
19
You have a data set that is skewed. Which measure of variation best describes the spread of the data?
IQR
Which character from Star Wars is known for saying, "Do, or do not, there is no try."?
Yoda
Find the IQR. 35, 56, 34, 44, 52, 12, 34, 45
IQR = 14.5
Find the Median. 86, 24, 65, 65, 24
65
31
Your data set contains a single outlier. Which measure of center best fits the data?
Median
What movie is this quote from, "Ohana means family, and family means nobody gets left behind or forgotten"?
Lilo and Stitch
Define: MAD
The average distance each data point is away from the MEAN
Find the Median. 32, 23, 22, 33, 33, 23, 32, 23, 22
23
Find the IQR for the box plot.
6
You have the following data set: 6, 10, 4, 6, 24, 10. Which measure of center best fits the data? Then, calculate that measure of center.
Median; 8
What movie is this quote from, "I don't want to survive, I want to live!"
Wall-E
Find the MAD: 15, 17, 15, 17, 21, 17, 15, 23, 20, 18
2.16 / 2.2
Find the Mean, Median, and Mode. 12, 14, 19, 12, 15, 14, 12
Mean: 14
Median: 14
Mode:12
What is the median number of gallons of paint ordered?
2
You have the following data set: 10, 12, 10, 9, 11, 8. Which measure of variation best fits the data? Then, calculate that measure of variation.
MAD, 1
What movie is this quote from, "I am your wife, I am the greatest good that you are ever going to get!"?
The Incredibles