Hypothesis Testing using the Z-Test on the TI-83 Plus, TI-84 Plus, TI-89, and Voyage 200

Posted on February 6, 2011 at 11:39 pm

The TI-83 Plus and TI-84 Plus are optimized for performing many tasks in statistics, and one of their most powerful features is the ability to perform a variety of tests of statistical significance. With the statistics package installed, the TI-89, …
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Filed under Difficulty: Medium, Statistics, TI-83 Plus, TI-84 Plus, TI-89, TI-92 Plus, Voyage 200 | 1 Comment

SAT Test Prep #1: Mean, Mode, and Median on the TI-83 Plus, TI-84 Plus, and TI-89

Posted on January 19, 2011 at 10:52 pm

The following is a sample SAT problem similar to many found on the actual exam: Nighttime Temperatures in Juneau, Alaska Mon Tue Wed Thu Fri Sat Sun 32 28 28 26 21 22 25 The table above shows the temperatures, …
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Filed under Difficulty: Easy, SAT, Statistics, Test Prep, TI-83 Plus, TI-84 Plus, TI-89 | 5 Comments

Performing a Linear Regression on the TI-89, TI-92+, and Voyage 200

Posted on January 4, 2011 at 9:45 pm

Unlike with the TI-83+ and TI-84+, it is relatively hard to perform statistics operations on the TI-89, TI-92+, and Voyage 200 the first time around. This tutorial demonstrates using the statistics functions available on this series of calculators to perform …
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Filed under Difficulty: Hard, Statistics, TI-89, TI-92 Plus, Voyage 200 | Leave a comment

Performing a Linear Regression on the TI-83+ or TI-84+

Posted on December 29, 2010 at 8:52 pm

Linear relationships are examined in practically every discipline of the natural and social sciences. Using the statistics functions of the TI-83+/TI-84+ it is relatively easy to investigate this relationship by performing a linear regression on two variables, such as the …
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Filed under Difficulty: Medium, Statistics, TI-83 Plus, TI-84 Plus | 29 Comments

Transferring Spreadsheets Between Microsoft Excel and your TI-83+, TI-84+, TI-89, TI-92+, or Voyage 200

Posted on December 19, 2010 at 9:00 am

Using these steps are useful when you want to put large amounts of data on your TI-83 Plus, TI-84 Plus, TI-89, TI-92+, or Voyage 200 calculator for statistical analysis. Afterwards you can also transfer data back from your calculator to Excel. …
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Filed under Difficulty: Easy, Microsoft Excel, Statistics, TI-83 Plus, TI-84 Plus, TI-89, TI-92 Plus, Voyage 200 | 3 Comments