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 is different depending on where you are in the world. In the United States, it usually falls between October and April. There are three types of flu viruses that cause seasonal influenza: A, B, and C. Influenza A. Type A influenza is usually responsible for the majority of seasonal flu cases. It is found in humans and in animals.