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- These statistical programs were written by Robert G. Wegemann, a professor
- at the University of Houston.
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- The programs are written so that they print out not only the answers, but
- also the intermediate steps.
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- MEANSD, calculates the mean and standard deviation (and also the sum of
- squares and variance).
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- CORLREG, calculates the correlation coefficient and the regression
- equation.
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- TTEST, calculates the value of t in order to compare the means of two
- groups to see if they are statistically different.
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- ANOVA, calculates an analysis of variance table.
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- CHISQ, calculates the value of chi square for any 3 situations (simple chi
- square, the 2 x 2 contingency table, and larger contingency tables).
- he value of chi square for any 3 situations