When you put the earthworm farmers' salaries in numerical order to find the mean ($10,000, $18,000, $18,000, $19,000, $19,000, $19,000, $20,000, $20,000, $45,000), you discover that it is $19,000. That is more in line with what the majority of earthworm farmers in our example earn than the average or mean of $20,889.
The months November, December, January, Feburary, March and April are considered the months when the flu virus is most active. At this time you may experience symptoms like cold, chills, runny nose and congestion.
When did the 2015-2016 flu season peak? The timing of flu is unpredictable and can vary in different parts of the country and from season to season. Most of the time flu activity peaks between December and February, although activity can last as late as May. The peak week of flu activity in terms of influenza-like illness (ILI) for the 2015-2016 season was the week ending March 12, 2016.