HP Prime Graphing Wireless Calculator Manuel d'utilisateur Page 315

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The graph of the distribution is displayed, with the test Z-value marked. The corresponding X-value is also
shown.
Tap to see the critical Z-value. With the alpha level showing, you can press or to
decrease or increase the α-level.
Importing statistics
For many of the calculations, the Inference app can import summary statistics from data in the Statistics 1Var
and Statistics 2Var apps. For the others, the data can be manually imported. The following example illustrates
the process.
A series of six experiments gives the following values as the boiling point of a liquid:
82.5, 83.1, 82.6, 83.7, 82.4, and 83.0
Based on this sample, we want to estimate the true boiling point at the 90% condence level.
Opening the Statistics 1Var app
Press and then select Statistics 1Var.
Clearing unwanted data
If there is unwanted data in the app, clear it:
Press , and then select All columns.
Importing statistics 267
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