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Mean
3. Describing Data Numerically / Mean / Problem 4
Problem 4

A survey was conducted to record the daily commuting times (in minutes) of a group of employees. The data collected is as follows:
10,15,18,20,22,25,28,30,35,9010, 15, 18, 20, 22, 25, 28, 30, 35, 90
The mean of the original data is 29.329.3, and the 10%10\% trimmed mean is 23.623.6. What is the benefit of using the trimmed mean versus using the mean found using all data entries? Explain.