Randomness and probability
In random phenomena individual outcomes
are uncertain, but there is nonetheless a
regular distribution of outcomes in a large
number of repetitions.
In the short-run, the proportion of times that
Identify the explanatory and response
Create a scatterplot.
If the scatterplot shows a linear trend, a
straight line can be fitted through the data
points to describe that trend:
* b is the slope, the average change in y pe
Scatterplots and Correlation
*How can we
Is there a relationship between cardiac
mortality and the consumption of wine?
*Is there an association between marital
relationships and health