Author Question: Suppose a correlation is found to be very weak. What does this mean about the relationship between ... (Read 23 times)

stevenposner · **on:** Jul 24, 2018

Suppose a correlation is found to be very weak. What does this mean about the relationship between the two variables?
a. There is no linear relationship between the two variables being measured.
b. There may be separate linear relationships that are being masked by a third variable that was not accounted for.
c. There may be a different type of relationship between the variables; just not a linear one.
d. All of the above.

Question 2

In which case(s) should you be suspicious of a correlation that is presented?
a. When the data is likely to contain outliers.
b. When the sample size is small.
c. When removing one point in the data set actually reverses the direction of the trend.
d. All of the above