Sharp EL-9600 manual Numerical Description TWO-VARIABLE Data SET

NAME _____________________________________________________ CLASS __________ DATE __________

6.3

NUMERICAL DESCRIPTION OF

A TWO-VARIABLE DATA SET

Activity 1 Calculating the numerical descriptions for non- weighted two-variable data set

1.Turn the calculator on and enter the statistics menu. Access the data-entry screen and delete old data.

2. Enter the following data set:	X	Y
	16	19
	18	17
	15	11
	14	20

Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.

3.Calculate the numerical descriptions and enter the values below. The average, x = _________ and y = _________

Activity 2 Calculating the numerical descriptions for a

weighted two-variable data set

1.Delete old data and enter the following data set for L1 and L2 (dice rolled until a hundred doubles appeared) using L3 for the frequencies.

X	Y	W
1	1	15
2	2	18
3	3	17
4	4	19
5	5	16
6	6	15

2.Calculate the numerical descriptions and enter values below. The average, x = __________ and y = __________

Does the die appear to be fair? _______________

74Blackline Masters/STATISTICS USING THE SHARP EL-9600