Six statements about what you can learn from the correlation coefficient are listed below. Label each statement, choosing from A (can always tell), N (can never tell), or S (can sometimes tell). For each statement you label S for sometimes, explain briefly when you can tell and when you cannot.
a. Whether there is a systematic relationship between x and y.
b. Whether the relationship between x and y is linear or curved
c. Whether the least squares line has a positive or negative slope
d. How closely the points fall near a line
e. Whether there are outliers or infl uential points
f. How steep the least squares line is