HP 48gII Bedienungsanleitung PDF herunterladen (Seite 165)

Page 16-7

• Press

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to obtain the following results:

Confidence intervals

The application 6. Conf Interval can be accessed by using ‚Ù—

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. The application offers the following options:

These options are to be interpreted as follows:

1. Z-INT: 1 µ.: Single sample confidence interval for the population mean, µ,

with known population variance, or for large samples with unknown

population variance.

2. Z-INT: µ1−µ2.: Confidence interval for the difference of the population

means, µ

- µ

, with either known population variances, or for large

samples with unknown population variances.

3. Z-INT: 1 p.: Single sample confidence interval for the proportion, p, for

large samples with unknown population variance.

4. Z-INT: p1− p2.: Confidence interval for the difference of two proportions,

-p

, for large samples with unknown population variances.

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HP 48gII Bedienungsanleitung Seite 165