Mean, Mode, Median, Standard Deviation of LARGE data sets using the TiNspire CX

Say you have 10 thirteens, 10 twos and 500 threes and need to find Mean, Mode, Median, Standard Deviation, Variance etc. To avoid looooots of typing you can now enter such LARGE data using the TiNspire’s Statistics Made Easy app at www.TiNspireApps.com Enter data as simple as : [10,10,500]   and [13,2,3] Voila! That simple! We… (read more)

Confidence Interval for Proportions using the exact Bliss Method on the TiNspire

When finding Confidence Intervals for Proportions we typically involve the Normal Distribution to create an confidence Interval estimate. However, this method requires the conditions np<5 and n(1-p)<5 to be fulfilled. It is not uncommon to have a large sample size n available which likely disables this method. This is where the Bliss Method comes in… (read more)

“Physics Made Easy app was an essential piece on my way to a 5 on the AP Physics 1 exam”

The Physics Made Easy app was an essential piece on my way to a 5 on the AP Physics 1 exam. It allowed me to feel more confident doing a variety of problems, especially projectile and rotational motion. While the app’s features of forces (e.g. friction), electricity, simple harmonic motion, etc. were extremely helpful, the… (read more)

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