1. (draw a trend line on the graph).
number of hours of exercise (y) vs. number
of months machine was owned (x)
yes / no
2. (a) is there a correlation between the variables?
positive / negative
(b)
the correlation is
strong / weak
the correlation is
(c)
_goes up,
(d) as _
increases / decreases.
(e) main idea (summary) of this graph: in other words,