NAME _____________________________________________________ CLASS __________ DATE __________
2.3
NUMERICAL DESCRIPTION OF A
ONE-VARIABLE DATA SET
Activity 1 Calculating the numerical descriptions for a
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, x = __________
The sample standard deviation, sx = | __________ |
The population standard deviation, σ x = | __________ |
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 = | __________ |
Blackline Masters/STATISTICS USING THE SHARP | 61 |
Copyright © 1998, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
