This topic focuses on advanced problems in statistics, specifically calculating additional values required to achieve a specified mean. Problems consist of finding a single number that, when added to a given set of numbers, results in a predetermined mean. Various sets of numbers and target means are provided for practice, and multiple potential answers are offered in a multiple-choice format. This forms part of a broader set of problems dealing with mean, median, and mode, emphasizing statistical calculations and comprehension.
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What number can be added for these numbers to have the given mean
6, 6
mean = 9
Earned ?