Hp Prime Graphing Wireless Calculator Manual do Utilizador descarregar pdf (Página 73)

Inference app 69

Inference app

The Inference app calculates hypothesis tests, confidence

intervals, and chi-square tests, in addition to both tests

and confidence intervals based on inference for linear

regression. In addition to the Inference app, the Math

menu has a full set of probability functions based on

various distributions (chi-square, F, binomial, poisson, and

so on).

Based on statistics from one or two samples, you can test

hypotheses and find confidence intervals for the following

quantities:

• mean

• proportion

• difference between two means

• difference between two proportions

You can also perform goodness of fit tests and tests on

two-way tables based on the chi-square distribution.

Finally, you can perform calculations based on inference

for linear regression:

• linear t-test

• confidence interval for slope

• confidence interval for the intercept

• confidence interval for mean response

• prediction interval for a future response

Sample data For many of the calculations, the Numeric view of the

Inference app comes with sample data (which you can

restore by resetting the app). This sample data is useful in

helping you gain an understanding of the app.

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Hp Prime Graphing Wireless Calculator Manual do Utilizador Página 73