Expected frequencies refer to the anticipated count of observations in each category or cell of a contingency table, based on the assumption that there is no association between the variables being studied. They are calculated under the null hypothesis, which states that any observed differences in frequencies are due to random chance. Understanding expected frequencies is crucial for conducting chi-square tests, as they serve as a baseline for comparison against observed frequencies.
congrats on reading the definition of Expected Frequencies. now let's actually learn it.