1. Add up all of your data
2. Divide your answer by the number of numbers in your set of data
What are your steps to find the mean of a set of data?
100
The middle number
What is median?
100
Difference between the highest and lowest number in your set of data.
What is Range?
100
1. Find the mean
2. Find how far away each # from set is from the mean
3.Find the mean of the #s from step 2
What are the steps in finding the mean absolute deviation?
100
What are the steps to finding the interquartile range?
1. Organize data from least to greatest
2. Find the median
3. Find the median of the lower half of data (1st quartile)
4. Find the median of the upper half of data (3rd quartile)
5. Find the interquartile range (3rd-1st)
200
Find the mean.
5,3,6,1,9
4.8
200
Find the median.
3,8,2,4,9,5,6,9,7
6
200
What is the mode?
The number in the data set that appears most frequently.
200
Find the MAD. (round to the nearest tenth)
5,8,9,8,2,5,8
2.1
200
How do you find outliers?
IQR x 1.5= ____
1st- ____
3rd-____
Any numbers from the set that are lower or higher than the check are outliers.
300
Find the mean.
36,42,56,58
48
300
Find the median.
12,11,9,14,18,16,9
12
300
Find the mode and range.
44,54,24,36,68
No mode, range = 44
300
Find the MAD. (round to the nearest tenth)
13,18,16,18,22,11
3
300
Find the IQR.
86,24,65,65,24,24
41
400
Find the mean.
79,84,68,93
81
400
Find the median.
12,11,32,11,12,15,51
12
400
Find the mode and range.
45,33,99,4,45,52,33,15,45
Mode=45, Range =95
400
Find the MAD. (round to the nearest tenth
25,15,33,44,22,25
7.4
400
Find the IQR.
5,56,34,44,52,12,34,45
25.5
500
Find the mean.
52,41,63,95,51,74,75,53
63
500
52,41,63,95,51,74,75,53
58
500
Find the mode and range.
14,74,85,96,74,78,12,45,78
Mode = 74 and 78, Range = 84
500
Find the MAD. (round to the nearest tenth)
103,91,74,86,96