This math topic focuses on calculating the additional value needed to reach a specified mean for a set of numbers. Problems present sets of integers and a target mean. Students are asked to determine which number, among multiple choices, when added to the set, achieves the target average. This exercise is set to develop and enhance students' understanding of statistics, particularly their skills in calculating and conceptualizing mean values in practical scenarios. This topic is part of an advanced unit on probability and statistics covering mean, median, and mode.
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What number can be added for these numbers to have the given mean
11, 11, 8, 2
mean = 10