If the dots on a scatter plot show no discernible pattern (i.e., ...

[captainjonesify]

If the dots on a scatter plot show no discernible pattern (i.e., they do not seem to cluster around any line or have any direction), then the correlation depicted by the graph is probably a _____ correlation.
 
  a. perfect c. negative
  b. positive d. nonsignificant or zero

Question 2

If IQ was measured on a ratio scale, and John had an IQ of 40 and Fred an IQ of 80, it would be correct to say that Fred was twice as intelligent as John.
 
  Indicate whether the statement is true or false

[bigcheese9]

Answer to Question 1

D
When there is no correlation between variables, there is no pattern to the dots on the scatter plot representing those variables.

Answer to Question 2

T