HP Prime Graphing Wireless Calculator Manual do Utilizador Página 310

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Opening the Inference app
Press and then select Inference.
The Inference app opens in Symbolic view.
Symbolic view options
The following tables summarize the options available in Symbolic view.
Table
13-1 Hypothesis tests
Test Description
Z-Test: 1 μ The Z-Test on one mean
Z-Test: μ
1
– μ
2
The Z-Test on the dierence between two means
Z-Test: 1 π The Z-Test on one proportion
Z-Test: π
1
– π
2
The Z-Test on the dierence between two proportions
T-Test: 1 μ The T-Test on one mean
T-Test: μ
1
– μ
2
The T-Test on the dierence between two means
Table 13-2 Condence intervals
Test Description
Z-Int: 1 μ The condence interval for one mean, based on the Normal distribution
Z-Int: μ
1
– μ
2
The condence interval for the dierence between two means, based on the Normal
distribution
Z-Int: 1 π The condence interval for one proportion, based on the Normal distribution
Z-Int: π
1
– π
2
The condence interval for the dierence between two proportions, based on the
Normal distribution
262 Chapter 13 Inference app
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