This math topic focuses on problems related to changing a single data value in a set to achieve a specific change in the mean (average). By adjusting one value in the data set up or down, students practice calculating the resultant mean. The tasks are structured to deepen understanding of how individual values influence the overall average in statistical sets, part of an advanced unit on Probability and Statistics, dealing with mean, median, and mode. Each question presents a unique scenario testing students' ability to manipulate numerical data effectively.
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What can the indicated number be changed to for these numbers to have the given change in their mean
10, 2, 8, 4
Change a 10 to decrease the mean by 1
Earned ?