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74 Blackline Masters/STATISTICS USING THE SHARP EL-9600
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
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
3. Calculate the numerical descriptions and enter the values below.
The average, = _________ and = _________
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
1115
2218
3317
4419
5516
6615
2. Calculate the numerical descriptions and enter values below.
The average, = __________ and = __________
Does the die appear to be fair? _______________
NUMERICAL DESCRIPTION OF
A TWO-VARIABLE DATA SET
6.3
NAME _____________________________________________________ CLASS __________ DATE __________
x
y
x
y