A town's yearly snowfall in inches over a 10-year period is recorded in this table.

What is the mean of the snowfall amounts?

17.8 in.
18.8 in.
19.8 in.
20.8 in.

Year Snowfall in inches
2001 14
2002 12
2003 21
2004 26
2005 19
2006 15
2007 22
2008 17
2009 24
2010 18

A stem-and-leaf plot with a stem value of 3 with a leaf value of 1, a stem value of 4, a stem value of 5 with a leaf value of 5, a stem value of 6 with a leaf value of 8, and a stem value of 7 with a leaf value 0, 0, and 2.

A number line ranging from 30 to 40 with two dots over 30, two dots over 32, one dot over 34, and three dots over 38.

plz dont guess