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Mean Median Mode O My!!!
Mean Absolute Deviation
Box and Whisker Plot
Variation
Vocabulary
100
Find the mode of this data... 0 , 1 , 2 , 3, 4, 5, 6, 7, 8, 9, 10
no mode
100
What is the first step to finding the Mean Absolute Deviation?
Find the mean.
100
What five things do you need to create a box and whisker plot?
Minimum, maximum, median, 1st quartile, 3rd quartile
100
What measure of variation is found by subtracting the maximum and minimum values?
What is the range?
100
In a data set, what number appears most often?
What is the mode?
200
Find the median of the data... 14, 12, 10, 15, 18, 23, 19, 16
15.5
200
After you find the mean, what is the second step to finding mean absolute deviation?
Find the difference between the data values and the mean.
200
What forms the whiskers of a box and whisker plot?
The minimum and maximum
200
What measure of variation stands for the middle 50% of the data?
What is the interquartile range?
200
In a data set, what number is in the middle?
What is the median?
300
Find the mean of the data...to the nearest tenth. 

 2, 10, 24, 6, 10, 12, 14, 18, 28

13.8
300
After you find the distances from the mean for each data value, what is the last step to find the MAD?
Take the mean of all the differences.
300
Create a box and whisker plot out of the data. 2, 8, 5, 6, 12, 15, 3, 10, 4, 14, 20, 0
Lower Extreme = 0 Upper Extreme = 20 Median = 9 Lower Quartile = 4 Upper Quartile = 14
300
What measure of variation shows the average distance of each value from the mean?
What is the mean absolute deviation?
300
In a data set, what number represents the "average?"
What is the mean?
400
What is the mode for the following data set: 30, 37, 33, 32, 38, 36, 27, 2, 34
What is no mode?
400
Find the MAD


3, 15,21, 13

MAD = 5
400
What is the difference between the 3rd quartile and the 1st quartile called?
The interquartile range
400
Find the interquartile range. 2, 2, 3, 4, 6, 7, 7, 9, 10, 11, 11
What is 7?
400
In a data set, what number tells you the difference between the highest number and lowest number?
What is the range?
500
What is the range of this data set: 849, 544, 899, 758, 691, 836, 586, and 821.
What is 355.
500
Find the MAD. (Round to the nearest hundredth)


10, 15, 15, 17, 18, 21

MAD = 2.67
500
What is the median of the lower half of the data called?
What is the first quartile?
500

Find the interquartile range: 


1, 3, 3, 3, 4, 4, 4, 6, 6

IQR = 2
500
What are some different ways to show mean, median, mode, and range visually?
What is stem and leaf, box and whisker, histogram, etc?