Sharp EL-9900C User Manual page 100
Graphing calculator
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Also See for EL-9900C:
- Operation manual (284 pages) ,
- Specifications (2 pages) ,
- Bid specifications (1 page)
Table of Contents
NUMERICAL DESCRIPTION OF A
ONE-VARIABLE DATA SET
Steps for calculating numerical descriptions of a one-variable
non-weighted data set
1. Turn the calculator on and press STAT to enter the statistics menu.
Press A (EDIT) ENTER to view the statistics data entry screen.
If there is a data set present within the lists on your calculator, use the
arrow keys to move to the list, if necessary, and press ▲ to highlight the
list label. Press DEL
of data.
2. Move the highlighter to the cell directly below the L1 in the table.
Enter the following data set:
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3. Check the data you have entered and correct any errors you may find.
Press 2ndF
descriptions of the data set, press STAT C (CALC) and 1 (1_Stats).
Press ENTER and the statistical results will appear.
4. The statistics displayed are:
1. the average or mean value of the data set, ;
2. the standard deviation assuming the data set is a sample from a
population, sx;
3. the standard deviation assuming the data set represents the entire
population, σx;
4. the sum of the data values, ∑x;
5. the sum of the squared data values, ∑x
Press ▼ five times to see more of the statistics.
6. the number of values in the data set, n;
7. the minimum value in the data set, xmin;
8. the first quartile (25th percentile), Q1;
9. the median (50th percentile), Med;
10. the third quartile (75th percentile), Q3; and
Press ▼ one more time to see the final statistic.
11. the maximum value in the data set, xmax.
Advanced Keyboard/STATISTICS USING THE SHARP EL-9900
Copyright © 2002, Sharp Electronics Corporation. Permission is granted to photocopy for educational use only.
ENTER to delete the old data. Repeat for other lists
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QUIT to exit the data entry screen. To calculate the numerical
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x
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