In a follow-up study, a researcher reported that the correlation ...

[Shelles]

In a follow-up study, a researcher reported that the correlation is .85. In the initial study, the correlation was .78. This means there is a(an):
 
  a. Stronger correlation between the variables in the follow-up study
  b. Weaker correlation between the variables in the follow-up study
  c. Unknown difference between the two studies
  d. Error and the researcher should repeat the study

Question 2

A student conducting a research study was told by her professor to use a scatterplot in conjunction with calculating the correlation coefficient. She discovered that the data points clustered along a straight line. This means:
 
  a. the student cannot determine if a relationship exists
  b. no relationship exists between variables
  c. a nonlinear relationship exists between variables
  d. a linear relationship exists between variables

[mmj22343]

Answer to Question 1

a

Answer to Question 2

d

[Shelles]

TYSM

[EAN94]

Excellent