Statistic

This math topic involves solving problems related to the mean change when a certain value is removed from a set of numbers. Practitioners are expected to identify which number should be removed from a given list to achieve a specified change in the mean. The problems are structured with a series of sets, each with unique numbers and targets for the mean decrease, followed by multiple-choice options to determine which specific value, when removed, results in the target mean change. This topic forms part of a broader unit focused on advanced aspects of mean, median, and mode within probability and statistics.