This math topic focuses on calculating the effects of removing a single value from a set on the statistical mean. It falls under the advanced section of the broader unit on Probability and Statistics, specifically targeting skills related to Mean, Median, and Mode. Each problem provides a list of numbers and specifies whether the mean increases or decreases by a particular amount when a value is removed. The goal is for learners to identify which number, when removed, results in the specified change in the mean.
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What number can be removed for these numbers to have the given change in their mean
13, 0, 14, 5
mean increases by 1