Generals | Warriors |
Student | WAIS-IV Score | Student | WAIS-IV Score |
1 | 105 | 1 | 93 |
2 | 81 | 2 | 90 |
3 | 102 | 3 | 87 |
4 | 90 | 4 | 109 |
5 | 95 | 5 | 106 |
6 | 110 | 6 | 104 |
7 | 90 | 7 | 109 |
8 | 100 | 8 | 104 |
9 | 80 | 9 | 115 |
10 | 90 | 10 | 112 |
11 | 84 | 11 | 112 |
12 | 81 | 12 | 100 |
13 | 90 | 13 | 97 |
14 | 107 | 14 | 90 |
15 | 101 | 15 | 104 |
16 | 90 | 16 | 107 |
| | 17 | 101 |
A. Complete the group frequency table.
Score           The Generals (f)           The Warriors (f)
80-89
90-99
100-109
110-119
B. Next, find the following for each team:
                                Generals(f)                    Warriors (f)
Mean | | |
Median | | |
Mode | | |
N | | |
N-1 | | |
ΣX | | |
(ΣX)2 | | |
ΣX2 | | |
S2X | | |
SX | | |
s2X | | |
sX | | |
c. What is the shape of distribution for the Generals? For theWarriors?
d. What is the range of scores that encompasses approx 68% ofthe scores surrounding the mean for EACH team?
e. Which distribution has a larger spread of scores? Why?