This is a great place to start. When using ground beef to make hamburger patties, be sure to select the right meat. Lean ground beef like ground sirloin or the 7% fat meat will tend to make dry burgers.
Changes in lifestyles, nutrition, and ethnic composition of populations lead to changes in the distribution of body dimensions (e.g. the obesity epidemic), and require regular updating of anthropometric data collections.
The median of the upper half of a set of data is the upper quartile (UQ) or Q 3. The upper and lower quartiles can be used to find another measure of variation call the interquartile range. The interquartile range or IQR is the range of the middle half of a set of data.