Measures of Variation
Quartiles
Outliers
Box-and-Whisker Plot
Problem-Solving
100
What is the range in the data set 14, 16, 18, 24, 19, 15, 13
What is 11?
100
What is the lower quartile in the data set 14, 16, 18, 24, 19, 15, 13
What is 14?
100
There is one outlier in the data set 20, 23, 18, 21, 4, 17, 15 What is it?
What is 4
100
A plot that uses a number line to show the distribution of a set of data by using five values.
What is a box-and-whisker plot
100
How can you find the minimum from a box and whisker plot?
What is the smallest number with a dot on it.
200
What is the median 29, 27, 24, 28, 30, 51, 28
What is 28
200
What is the upper quartile 14, 18, 16, 24, 19, 15, 13
What is 19?
200
There are two outliers in the data set 22, 27, 25, 11, 29, 28, 41, 26, 28, 23.
What is 11 and 41
200
This is drawn around the quartile values.
What is the box
200
Explain what the upper quartile is.
The median of the upper half of a set of data, represented by UQ
300
What is the outlier 91, 92, 88, 89, 93, 95, 65, 85, 91
What is 65
300
What is the maximum? 29, 27, 24, 28, 30, 51, 28
What is 51?
300
A number that is far away from the other numbers is....
What is outliers
300
These extend from each quartile to the extreme data points that are not outliers.
What is whiskers
300
Explain what the lower quartile is.
The median of the lower half of a set of data, represented by LQ
400
What is the upper quartile? 132, 116, 108, 113, 126, 120, 131, 112, 126
What is 128.5
400
What is the upper quartile? 90, 88, 72, 85, 92, 95, 93, 86, 92, 91
What is 92?
400
Find the outliers in the data set 42, 36, 58, 47, 34, 43, 54, 49, 48, 41, 38
What is none
400
What is the upper quartile 4, 7, 5, 3, 9, 6, 4
What is 7?
400
True or False: Box plots tell me all the numbers in a data set.
False
500
What is the lower quartile? 107, 114, 124, 108, 117, 106, 107, 109, 117, 115
What is 107?
500
What is it called when you subtract the upper quartile from the lower quartile
What is the interquartile range
500
True or False: Every data set has an outlier
False
500
What is the interquartile range? 39, 41, 30, 14, 44, 40, 48, 39, 40, 36
What is 5?
500
The steps to create a box-and-whisker plot.
1.) Median, Greatest value, Least value 2.) Upper and lower quartile medians 3.) Interquartile range 4.) Outliers 5.) Create box-and-whisker plot
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