Name________________________
COMPARING AVERAGES
GRAPHICALLY #1
Directions: Find the mean, median, mode, and range for each stem and leaf plot below. Remember, in a stem and leaf plot 6|3 means 63. For example, in the first plot, Chris’ lowest score is 71, and Cody’s lowest score is 70.
Mean is the sum of the data divided by the number of data points. Median is the middle data point of the ordered data. Mean is the sum of the data divided by the number of data points. Mode is the data point(s) that appears the most. Range is the difference between the largest data point and the smallest data point.
Round all of your answers to the nearest tenth.
Chris |
Test
Scores |
Cody |
|
6 |
|
4 3
2 1 |
7 |
0 6 8 8 |
5 5 |
8 |
1 8 |
9 7
5 |
9 |
5 7 9 |
0 0 |
10 |
0 0 |
Chris: Mean _____ Median_____ Mode_____ Range____
Cody: Mean _____ Median_____ Mode_____ Range____
Joseph |
Points
Scored |
Jennifer |
9
6 3 |
1 |
1 3 6 |
4 2
0 0 |
2 |
0 6 8 8 |
5 5 |
3 |
1 8 |
8 7
5 |
4 |
5 7 |
1 |
5 |
|
Joseph: Mean _____ Median_____ Mode_____ Range____
Jennifer: Mean _____ Median_____ Mode_____ Range____
Tiffany |
$$
Earned |
Terry |
1
1 1 |
6 |
0 2 |
0 |
7 |
0 |
5 |
8 |
1 8 |
9 7
5 |
9 |
5 7 9 |
0 0 |
10 |
0 |
Tiffany: Mean _____ Median_____ Mode_____ Range____
Terry: Mean _____ Median_____ Mode_____ Range____