Confidence Intervals - HP 50g User Manual

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Confidence intervals

The application 6. Conf Interval can be accessed by using
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These options are to be interpreted as follows:
1. Z-INT: 1 .: Single sample confidence interval for the population mean,
, with known population variance, or for large samples with unknown
population variance.
2. Z-INT: .: Confidence interval for the difference of the population
means, -
1 2
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.
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, with either known population variances, or for large