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.
Flu Season. Flu season is the time of year when you are most likely to get sick from the flu. In general, flu season can start anytime in late fall, peak in mid-to-late winter (usually January or February), and continue through early spring. On average, flu season lasts about 13 weeks. It will usually end by April, but in some years it can linger into May. There have been six years in the past where the peak was in March, for example.