1. Study I
a.) This study is an example of an observational study in which pregnant women were observed as they
were asked about chocolate consumption. This is an observational study because no treatment is imposed
and the women were surveyed rather than
I: Determining Premiums
Its a Matter of Life and Death
AP Stats at LSHS
I: Power Model?
Transform data and plot (ln(age), ln(premium):
There is a strong positive linear relationship between
ln(age) and ln(premium). Theref
1. In the graph, the average number of home runs hit decreases from the range of 1960
to 1970, then it levels off for a short time before rising again between 1980 to 2000.
The correlation is .466 which is a moderate positive association.