Brace yourself with your core and thighs and hold the pose for 30 seconds to one minute before repeating on the other side. Extended Triangle pose can help tennis players by strengthening their thighs, knees and ankles and by stretching their hips, groin, hamstrings, calves, shoulders, chest and spine. This pose also helps relieve backaches, which can plague tennis players after long, strenuous matches.
Lesson Summary. In statistics, restricting the range is a process by which you limit your data set to a subset of the data. You can use it to see if two sets of information or variables are connected, or correlated.
For a data set, the mean is the sum of the values divided by the number of values. There are other statistical measures that use samples that some people confuse with averages-including 'median' and 'mode'. Wikipedia explains: For a data set, the mean is the sum of the values divided by the number of values.