(See related pages)
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| Effects of Acid Rain | ||
| A study comparing two means. ( http://www.stat.sfu.ca/~cschwarz/LongAnswer/fish2.html ) | ||
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| Two-sample t test | ||
| The t test as used to compare birth weights in two groups. ( http://ccnmtl.columbia.edu/projects/qmss/t_two.html ) | ||
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| Two-sample z tests | ||
| A discussion of the two-sample z test. ( http://www.stat.ucla.edu/~cochran/stat10/winter/lectures/lect21.html ) | ||
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