Control the population proportion through the slider.

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Presentation transcript:

Control the population proportion through the slider

Each sample records two measures: The count and proportion of “yes” in the sample. Double click the sample collection to open its inspector

Check the sample size

Double click the measure collection to open its inspector Each collection contains measures from 1000 samples

Read from the summary table the sample statistics

Mean and standard deviation of the sample count. Drag the variable name to the graph window to display its distribution. Corresponding formulae for finding the mean and s.d. are

Another column shows the mean and standard deviation of the sample proportion Corresponding formulae for finding the mean and s.d. are

Distribution of sample count means.d. Sample size expectedempiricalexpectedempirical

Distribution of sample count means.d. Sample size expectedempiricalexpectedempirical

Distribution of sample count means.d. Sample size expectedempiricalexpectedempirical

Distribution of sample count means.d. Sample size expectedempiricalexpectedempirical

Distribution of sample proportion s.d Sample size expectedempirical

Distribution of sample proportion s.d Sample size expectedempirical

Distribution of sample proportion s.d Sample size expectedempirical

Distribution of sample proportion s.d Sample size expectedempirical

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