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.
Description: Bogoslof's 2016-2017 active eruption sequence began at least by December 16, although retrospective analysis done by AVO suggests unrest may have started earlier in December. Explosions detected in retrospective analysis occurred on December 12, 14, 16 and 19.