In an actual experiment we dont know the population

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Unformatted text preview: size equals zero. Therefore, you can also think of the effect size as how much the null hypothesis is violated. In an actual experiment, we don’t know the population mean(s). Therefore, we estimate the effect size using the sample mean(s). This gives the point estimate of the effect size. One sample: M  ­ µ0 (4) Independent samples: MA – MB (5) Paired samples: Mdiff (6) Critical value for a confidence interval. The critical value of any inferential statistic is the cutoff value between retaining and rejecting the null hypothesis. If the statistic you compute from your s...
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This document was uploaded on 02/25/2014 for the course PSYC 3101 at Colorado.

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