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3. Describing Data Numerically / Mode / Problem 3
Problem 3

A group of hikers recorded the distance they covered during a week. The recorded data (in kilometers) is as follows:
7,9,11,12,14,15,17,18,20,217,9,11,12,14,15,17,18,20,21
Compare the four measures of central tendency (mean, median, mode, and midrange) for the original data set and the 10%10\% trimmed data set.