This math topic focuses on calculating the mean (average) of a set of numbers and understanding the impact of changing a specific value within the set to achieve a new mean. Each problem provides a list of numbers and tasks the learner with identifying the new value that one of the numbers can be changed to adjust the mean to a specified target. This skill is crucial for interpreting and manipulating data sets in statistics, enhancing problem-solving and analytical thinking in advanced probability and statistics contexts.
moreComplete these online problems with 80% or 4 correct answers in a row. Results are immediate.
What can the indicated number can be changed to for these numbers to have the given mean
11, 11, 7, 13, 13
Change a 13 to change the mean to 10
Earned ?