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____