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.

 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____