Scattergrams can determine linear relationships. A positive ...

[tichca]

Scattergrams can determine linear relationships. A positive relationship
 
  A) is not possible.
  B) is circular in shape.
  C) looks like a diagonal line that begins in the lower left and goes to the upper right.
 
  D) looks like a diagonal line that begins in the upper left and goes to the lower right.

Question 2

In a study designed to assess the effectiveness of a new therapeutic technique to help patients stop smoking, research participants are asked to record in a diary each time they smoke a cigarette.
 
  At the beginning of the two week experiment participants are very careful about noting every time they smoke a cigarette. However by the end of the two weeks they often forget to record each cigarette they smoke making it appear that they smoked less at the end of the experimental treatment. The results in this study are confounded by
   
 a. instrumentation.
   b. attrition.
   c. history.
   d. maturation.

[blfontai]

Answer to Question 1

C

Answer to Question 2

A

[tichca]

Excellent

[JaynaD87]

Gracias!