You would like to assess whether more part-time vs. full-time employees in an organization took a day off from work to celebrate a recent non-observed (i.e., non-federal) U.S. holiday. If enough employees opted to take time off on the holiday, the company is considering officially observing the holiday next year. You think that a chi-square test will be appropriate, but first you must establish exactly what the analysis does. Which of the following statements is most representative of what the chi-square test compares? It compares the frequencies of categories of items in a sample to the frequencies that are expected in the population It compares the frequencies of categories in the population to those expected in the sample It compares the mean number of categories in a sample to those in the population It compares the mean number of frequencies in a population to those in the sample