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Chapter 8
Statistics & Regression
Calculations
The following statistical and regression features are available:
• Statistical calculations such as means and standard deviations
• Graphing statistical data
• Plotting regression curves
• Statistical tests
• Estimation
• Obtaining coefficients from regressions
• Distribution functions
1. Try it!
The following table shows the access counts (per hour) of a certain web site
from Sunday midnight to Monday midnight.
Hours
01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Sunday 98 72 55 3 6 24 15 30 59 72 55 43 21 10 150 151 135 108 204 253 232 251 75 30
Monday 32 8 12 2 4 19 32 72 95 91 123 201 184 108 95 72 45 38 75 111 153 90 84 35
Let's input these data into the calculator (List
function) and plot a histogram.
1. Press S.
Opening the list
table to enter
data
Chapter 8: Statistics & Regression Calculations
The Stat menu will appear.
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