The following measurements were recorded for the drying time, in hours, of a certain brand of latex paint. 3.4 2.5 4.8 2.9 3.6 2.8 3.3 5.6 3.7 2.8 4.4 4.0 5.2 3.0 4.8 Assume that the measurements are a simple random sample.

(a) Calculate the sample mean for these data.

(b) Calculate the sample median.

(c) Compute the 20% trimmed mean for the above data set.

(d) Is the sample mean for these data more or less descriptive as a center of location than the trimmed mean?