NAME _____________________________________________________ CLASS __________ DATE __________
7.4
GRAPHIC PORTRAYAL OF
A TWO-VARIABLE DATA SET
Activity 2 Drawing a scatter diagram of a weighted
data set
1. Access the data entry screen and delete the old data set.
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
2.Students applying to a certain college are given a personal interview rating from 1 (low potential) to 4 (high potential) and an entrance exam on
which the maximum score is 25. Use L1 for the rating, and use L2 for the score.
Rating | Exam Scored |
1 | 14 |
1 | 15 |
1 | 18 |
2 | 16 |
2 | 18 |
3 | 15 |
3 | 17 |
3 | 22 |
4 | 16 |
4 | 20 |
4 | 23 |
4 | 25 |
3.Check the data you have entered and correct any errors.
4.Construct an autoscaled scatter diagram.
5.For another view of the data, press WINDOW , and set Xmin=0, Xmax= 5, Xscl= 1, Ymin= 0, Ymax= 30, and Yscl= 10. Press GRAPH to view the scatter diagram.
78Blackline Masters/STATISTICS USING THE SHARP