Find the mean and compare it with the median. Find

Find the mean and compare it with the median. Find the standard deviation and compare it with the interquartile range.

For the iron contents in Prob. 4

Data from Prob. 4

72.8    70.4    71.2    69.2    70.3    68.9    71.1       69.8      71.5    69.7    70.5    71.3    69.1    70.9   70.6