3. Median: middle score

4. - half of the data will fall below the median
When data is placed in order…
- half of the data will fall below
the median
- half of the data will fall above

10. 4th place
Median = 8

12. This means that the median falls half way between the 4th and 5th scores.

24. grades 30 3 73
29.5 5 70 29 65
28.5 2 60 28 10 58
27.5 48 27 6 43
26.5 37 26 32 25
24.5 24 4 21
23.5 1 17 23 16
22.5 11 22 7
21.5 20
Mode: 28

25. Median: 26.5 n = 73 n + 1 2 = 37 The 37th score is… grades 30 3 73
29.5 5 70 29 65
28.5 2 60 28 10 58
27.5 48 27 6 43
26.5 37 26 32 25
24.5 24 4 21
23.5 1 17 23 16
22.5 11 22 7
21.5 20
Median:
26.5
n = 73
n + 1 2
= 37
The 37th score is…

26. grades 30 3 73
29.5 5 70 29 65
28.5 2 60 28 10 58
27.5 48 27 6 43
26.5 37 26 32 25
24.5 24 4 21
23.5 1 17 23 16
22.5 11 22 7
21.5 20
Mean:
 X n
X =

27. grades 30 3 90
29.5 5
147.5 29
145
28.5 2 57 28 10
280
27.5
137.5 27 6
162
26.5
132.5 26
156 25 50
24.5
73.5 24 4 96
23.5 1 23
115
22.5 22
21.5 43 21 20 60

28. grades 30 3 73
29.5 5 70 29 65
28.5 2 60 28 10 58
27.5 48 27 6 43
26.5 37 26 32 25
24.5 24 4 21
23.5 1 17 23 16
22.5 11 22 7
21.5 20
Mean:
26.05
 X n
X =
1901.5 73 =

30. Median, mean, mode

32. mode

33. mode
median
mean

35. median
mode
mean