Graphing and Analysis Resources
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WebStat 2.0
(Remote with instructions for use.)
WebStat is currently equipped to do almost everything you need for data analysis in a
chemistry course. It contains basic graphical and numerical statistical procedures. The
numerical procedures are under the Stat menu, and the graphical procedures are under the Graphics menu.
In terms of statistical procedures, WebStat 2.0 offers:
Simple and multiple linear regression
Summary Statistics
Z tests (one and two sample) for population means
T tests (one and two sample) for population means
Chi-square test for population variance
F test for comparing population variances Regression
One-way ANOVA
WebStat 1.0 (Local version without instructions.)
Linerar
Regression
You will be asked to enter your x and y values in two columns. Enter your
data, scroll down, and click on the "Calculate" button. The program will graph
the best fit line to your data points and supply the slope, y intercept, dispersion,
correlation coefficient, and chi ^ 2 (degrees of freedom).
Look at difference between 2 gaussian distributions