The Numbers on the Following Page Are the Number of Parasites

Essay

The numbers on the following page are the number of parasites in different samples of armadillos from 2002 to 2008. Analyze the data and write a conclusion about parasites in armadillos from 2002 to 2008. $$\begin{array} { c c c c } 2002 & 2004 & 2006 & 2008 \\\hline 22 & 14 & 10 & 12 \\25 & 18 & 8 & 27 \\32 & 10 & 3 & 23 \\20 & 21 & 0 & 20 \\28 & 10 & 7 & 24 \\22 & 15 & 5 & 17\end{array}$$