NAME _____________________________________________________ CLASS __________ DATE __________
2.4
NUMERICAL DESCRIPTION OF A
ONE-VARIABLE DATA SET
Activity 2 Calculating the numerical descriptions for a
weighted
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
1.Delete the old data set.
2.Enter the following data set (a die rolled a hundred times) using the frequencies.
Value Frequency
115
218
317
419
516
615
Remember to enter the frequencies in L2.
3.Check the data you have entered.
4.Calculate the numerical descriptions of the data set.
5.Complete the following:
The average or mean value of the data set, |
| = | __________ |
x | |||
The sample standard deviation, sx = | __________ | ||
The number of values in the data set, n = | __________ | ||
Does the die appear to be fair? | __________ | ||
62Blackline Masters/STATISTICS USING THE SHARP
