This math topic focuses on calculating the mean with an additional value. It involves determining a single number that can be added to a set of existing numbers to achieve a specified mean. The problems present sets of numbers and ask for the required number that, when added, results in a given mean. Various sets and target means are used across the questions to offer a range of scenarios that test understanding of averaging and basic arithmetic operations. This enhances problem-solving skills related to statistics, specifically within the context of calculating means.
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What number can be added for these numbers to have the given mean
8, 2
mean = 8