Graph the data at right as a scatter plot.  

1. Does the graph show either a positive or a negative correlation?

   Hint (a):

   There is a correlation. Is it positive or negative?

2. Does there appear to be a connection between height and spelling ability?

   Answer (b):

   Yes.

3. Does greater height cause better spelling ability?

   Answer (c):

   No.

4. What other factors could create the correlation you see?

   Hint (d):

   People grow as they get older, they also learn as they get older. Does height affect spelling? No. But something might affect both factors.