An endpoint is any device that is physically an end point on a network. Laptops, desktops, mobile phones, tablets, servers, and virtual environments can all be considered endpoints. When one considers a traditional home antivirus, the desktop, laptop, or smartphone that antivirus is installed on is the endpoint.
A dot above 7, 4, 10, 2, and 20. Draw a box around the median, first quartile, and and the third quartile. Then connect the box to the minimum and maximum by drawing a line. Should look like this: