So if you want to change the scale from Fahrenheit to Celsius in the weather app, here is how to do it. The following method is for Windows Consumer Preview and Release Preview.
When data seems to be gathered around a particular value. For example: for the values 2, 6, 7, 8, 8.5, 10, 15, there is a cluster around the value 8. See: Outlier.
Define Mean for Math. In math, the mean is the average of a set of numbers. To find the mean of a data set, add up all of the numbers in the set, and then divide that total by the number of numbers in the set. In statistics, the mean is one of the three measures of central tendency, which are single numbers that try to pinpoint the central location within a data set.