Blackline Masters/STATISTICS USINGTHE SHARP EL-9600 61

Copyright © 1998, Shar p Electronics Cor poration. Permission is granted to photocopy for educational use only.

Activity 1 Calculating the numerical descriptions for a

non-weighted one-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:
16 19 18 17 15 11 14 20
3. Check the data you have entered and correct any errors.
Calculate the numerical descriptions of the data set.
4. Complete the following:
The average or mean value of the data set, = __________
The sample standard deviation, sx = __________
The population standard deviation, σx= __________
The sum of the data values, x= __________
The sum of the squared data values, x2 = __________
The number of values in the data set, n= __________
The minimum value in the data set, xmin = __________
The first quartile (25th percentile), Q1 = __________
The median (50th percentile), Med = __________
The third quartile (75th percentile), Q3 = __________
The maximum value in the data set, xmax = __________
NUMERICAL DESCRIPTION OF A
ONE-VARIABLE DATA SET
2.3
NAME _____________________________________________________ CLASS __________ DATE __________
x