Mean Absolute Deviation, Data and Stats Review

The number found when the sum of two or more numbers is divided by the number of addends in the sum. (Simile is Average). (3 + 5 + 7 + 6 + 9) / 5 = 6

mean

The middle number of a list of data when the numbers are arranged in order from the least to greatest

median

the number of numbers that appear most often in a list of data

mode

the difference between the largest number and the smallest number in a list

range

1.25

What is the mean absolute deviation of these numbers 5,7,4,6,3,5,3,7

86

Betha's test scores. Find the median: 79, 86, 86, 97 100, 95, 67

10

Find the mean of these numbers: 5, 8, 17, 20, 0

34.5

Find the mean: 39,34,35,42,45,12,

5.5

Find the mean: 9, 7, 2, 4, 3, 5, 9, 6, 8, 0, 3, 8

7

Find the median of these numbers: 7, 12, 1, 5, 7, 8

52.5

Find the median: 21, 32, 45, 60, 13, 25

23

Find the median: 87,56,45,23,23,34,64,23,54

44

Find the mode: 44,29,13,44,15

64

Find the mode: 89,72,34,35,35,35,64,64,77,88,64,88,64

100 and 13.5

Find the mode: 92, 100, 100, 23, 24, 99, 13.5, 13.5

14

Find the range of these numbers: 2, 4, 6, 8, 12, 16

54

Find the range: 2, 8, 10, 12, 56, 9, 5, 2, 4,

88

Find the range: 56, 79, 80, 80, 93, 16, 16, 17, 5

96

Find the range: 67, 35, 67, 67, 13, 108, 109

53

Find the range: 73,45,67,87,98

4

What is the mean absolute deviation of the numbers $63,$59,$72,$68,$61,$67

2.4

What is the mean absolute deviation of the numbers 33,38,31,36,37

10.0

What is the mean absolute deviation of these numbers 110,108,100,90,88,80

4.0

What is the mean absolute deviation of these numbers 12,9,4,2,12,1,9

2.5

What is the mean absolute deviation of these numbers 22,20,28,24

2.0

What is the mean absolute deviation of these numbers 51,57,52,55,53,50

2.9

What is the mean absolute deviation of these numbers 90,80,92,91,88,89

3.1

What is the mean absolute deviation of these numbers 20,21,30,17,14,18,20

3.6

What is the mean absolute deviation of these numbers 14,7,6,5,13