Problem of the Week
Problem B
Bad Moon Rising
On May 26, 2021, a total lunar eclipse may be seen in many parts of the world. The moon will gradually become darker and then take on a rusty red colour for only 14 minutes and 30 seconds.
Below is data on this and other recent total lunar eclipses.
| Month and Year | Duration (in minutes) |
|---|---|
| May 2003 | \(52\) |
| Nov 2003 | \(24\) |
| May 2004 | \(76\) |
| Oct 2004 | \(82\) |
| Mar 2007 | \(74\) |
| Aug 2007 | \(90\) |
| Month and Year | Duration (in minutes) |
|---|---|
| Feb 2008 | \(50\) |
| Dec 2010 | \(74\) |
| Jun 2011 | \(100\) |
| Dec 2011 | \(52\) |
| Apr 2014 | \(78\) |
| Oct 2014 | \(60\) |
| Month and Year | Duration (in minutes) |
|---|---|
| Apr 2015 | \(12\) |
| Sept 2015 | \(72\) |
| Jan 2018 | \(76\) |
| Jul 2018 | \(104\) |
| Jan 2019 | \(62\) |
| May 2021 | \(14.5\) |
What are the mean and median durations of these 18 total lunar eclipses? (Since there is an even number of eclipses listed, recall that the median is the average of the middle two numbers when the data is arranged in order.)
Create a bar graph showing the durations of the total eclipses in one of the three columns of given data.
Look up the dates and durations of the next four total lunar eclipses.
