This test is to be written in the BSB Computer Lab. You may use any software in the course folder. The duration of the test is 2 hours.

Other aids permitted: any calculators and one sheet of notes (8.5" x 11", one side only).

Your response to each question should be in the form of a report. Prepare the report in a word processor, integrating graphics and discussion. Print out and submit your report at the end of the test period. Only printed reports will be accepted. Electronic submissions will not be accepted.

1. The data in Old_Growth_Data came from an old-growth forest on Vancouver Island. Every tree was measured in a mountainside plot about 100 m square. The variables are: species (Cedar, Douglas Fir, Hemlock), the X, Y, Z coordinates of each tree (Z is elevation), diameter at breast height, total height, and height to the first branch. Explore the relationships between elevation, diameter, height, and height to first branch for each species. Look for differences in these variables between the three species.
   
2. The file Three_Series gives three unrelated time series. Using graphical methods, determine the characteristics of each series.

---

Statistics 3N03