Median: middle score

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Median middle score
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When data is placed in order - half of the data
will fall below the median - half of the data
will fall above the median
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4th place
Median 8
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This means that the median falls half way between
the 4th and 5th scores.
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grades
30 3 73
29.5 5 70
29 5 65
28.5 2 60
28 10 58
27.5 5 48
27 6 43
26.5 5 37
26 6 32
25 2 26
24.5 3 24
24 4 21
23.5 1 17
23 5 16
22.5 4 11
22 1 7
21.5 2 6
21 1 4
20 3 3
Mode
28
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grades
30 3 73
29.5 5 70
29 5 65
28.5 2 60
28 10 58
27.5 5 48
27 6 43
26.5 5 37
26 6 32
25 2 26
24.5 3 24
24 4 21
23.5 1 17
23 5 16
22.5 4 11
22 1 7
21.5 2 6
21 1 4
20 3 3
Median
26.5
n 73
n 1 2
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The 37th score is
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grades
30 3 73
29.5 5 70
29 5 65
28.5 2 60
28 10 58
27.5 5 48
27 6 43
26.5 5 37
26 6 32
25 2 26
24.5 3 24
24 4 21
23.5 1 17
23 5 16
22.5 4 11
22 1 7
21.5 2 6
21 1 4
20 3 3
Mean
? X n
X

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grades
30 3 90
29.5 5 147.5
29 5 145
28.5 2 57
28 10 280
27.5 5 137.5
27 6 162
26.5 5 132.5
26 6 156
25 2 50
24.5 3 73.5
24 4 96
23.5 1 23.5
23 5 115
22.5 4 90
22 1 22
21.5 2 43
21 1 21
20 3 60
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grades
30 3 73
29.5 5 70
29 5 65
28.5 2 60
28 10 58
27.5 5 48
27 6 43
26.5 5 37
26 6 32
25 2 26
24.5 3 24
24 4 21
23.5 1 17
23 5 16
22.5 4 11
22 1 7
21.5 2 6
21 1 4
20 3 3
Mean
26.05
? X n
X
1901.5 73

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Median, mean, mode
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mode
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mode
median
mean
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median
mode
mean