Chi Square Low Sample Size. In this video we discuss the sample size requirement for the chi-square goodness-of-fit procedure. May 10 2017 Using GPower a sample size and power calculator a simple linear regression with a medium effect size an alpha of 05 and a power level of 80 requires a sample size of 55 individuals.
Intuitively as we have more data we can be more certain about our effect size not being attributable to noise. 425539 138376. May 10 2017 Using GPower a sample size and power calculator a simple linear regression with a medium effect size an alpha of 05 and a power level of 80 requires a sample size of 55 individuals.
Perhaps you were only able to collect 21 participants in which case according to GPower that would be enough to find a large effect with a power of 80.
Mar 22 2021 The key result in the Chi-Square Tests table is the Pearson Chi-Square. Four other tests are shown on the table. The sample sizes are 67 Female and 299 for Male respectively. Statisticians seem to disagree on whether or not to use Yates correction.
