Mean
Find the mean of the following data set
24, 31, 12, 38, 12, 15
mean : 22
Find the median and mode
24, 31, 12, 38, 12, 15
median 19.5
mode 12
Find the range
99 ,98, 85, 98, 55, 78, 93, 52
47
What does MAD stand for?
Mean Absolute Deviation
A data value that is much greater than or much less than the other values in a data set.
Outlier
Find the mean of the following data set:
5, 28, 16, 32, 5, 16, 48, 29, 5, 35
mean 21.9
Find the median and mode
5, 28, 16, 32, 5, 16, 48, 29, 5, 35
median: 22
Mode: 5
Find the range
6, 12, 8, 15, 9, 7
9
Find the mad
10, 7, 13, 10, 8
1.68
The value(s) that occur most often in a data set
Mode
Find the mean of the following data:
80, 65, 74, 91, 97, 84
81.8
Find the median and mode
80, 65, 74, 91, 97, 84
median: 82
mode: none
Find the IQR
6, 12, 8, 15, 9, 7
5
Find the MAD of the following data:
110, 114, 104, 108, 106
2.88
Definition: The median of the lower half of a data set; represented by Q1
First Quartile
Find the mean of the following data set
93, 79, 85, 71, 60, 100
Find the median and mode
93, 79, 85, 71, 60, 100
Median: 22
Mode: none
Find the IQR
99 ,98, 85, 98, 55, 78, 93, 52
31.5
Find the MAD of the following data:
25, 13, 4, 38, 9, 11
9.9
Definition: A measure of variation for a data set, which is the difference between the third quartile and the first quartile
Interquartile Range (IQR)
Ken earned scores of 85, 92, 79, 93 and 94 on his first five math quizzes. What does he need his last quiz score to be in order to end with an average (mean) of 90% on his quizzes?
97%
Find the median and mode of the following data set
67, 35, 67, 67, 13, 108, 109
median: 67
mode: 67
Find the range and the IQR
86, 100, 75, 92, 94, 64, 89
range: 36
IQR: 19
Find the MAD of the following data set:
10, 5, 7, 14, 19, 32, 25
8
Definition: An average of how much data values differ from the mean