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View Resource Student's T Tester Applet

This applet performs the Student's t test on two sets of data, and reports the average and variance for both sets of data, the t score, degrees of freedom, and one and two tailed P values.

http://www.bio.miami.edu/rob/Students_t.html
View Resource **Student's t-test applet

This java applet can be used to determine whether or not the means in two sample populations are significantly different.

http://www.math.kent.edu/~blewis/stat/tTest.html
View Resource HotBits

HotBits is a genuine random number generator powered by radioactive decay. Simply click the "Request HotBits" link, and specify how many bytes you would like (up to 2048) and in what form you prefer them. Hexadecimal returns numbers and letters, while C language returns integers. Then click the "Get HotBits" button, and your random numbers will appear on the screen.

http://www.fourmilab.ch/hotbits/
View Resource Random.org: True Random Number Service

This random number service allows users to generate up to 10,000 random integers with duplicates, randomized sequences without duplicates, or up to 16 kilobytes of raw random bytes. Users can also flip virtual coins and generate random bitmaps. Key word: Random Number Generator.

http://www.random.org/
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