Trimmed Mean Because the mean is very sensitive to extreme values, we stated that it is not a resistant measure of center. The trimmed mean is more resistant. To find the 10% trimmed mean for a data...

Trimmed Mean
Because the mean is very sensitive to extreme values, we stated that it is not a resistant measure of center. The
trimmed mean
is more resistant. To find the 10% trimmed mean for a data set, first arrange the data in order, then delete the bottom 10% of the values and the top 10% of the values, then calculate the mean of the remaining values. For the FICO credit-rating scores in Data Set 24 from Appendix B, find the following. How do the results compare?

a.
the mean
b.
the 10% trimmed mean
c.
the 20% trimmed mean

Data Set 24: FICO Credit Rating Scores

The FICO scores are credit rating scores based on the model developed by Fair Isaac Corporation, and are based on data from Experian.

Data Set 24: FICO Credit Rating Scores