This math topic focuses on how changing a single value in a dataset affects the mean of the group. It explores various scenarios where students must determine what a specific number in a sequence should be changed to in order to achieve a designated increase or decrease in the mean. This set of problems is an advanced application of statistics within the broader unit of probability and statistics concerning mean, median, and mode. It tests the understanding of the relationship between individual data points and the overall statistical measure of the mean.
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What can the indicated number be changed to for these numbers to have the given change in their mean
5, 6, 10, 11
Change a 11 to increase the mean by 2