Câu 25: IIBA-CBDA: Certification in Business Data Analytics

A government agency is conducting a study on the performance of 12th grade students in mathematics across the country. In particular, they want to understand if there is a relationship between intelligence and scores, as well as the difference in performance between various locations. Which combination of inferential statistics procedures should be used?

1. A. Frequency distribution, time-series
2. B. Range, standard deviation
3. C. Correlation co-efficient, analysis of variance — đáp án hiện tại
4. D. Mean, median