Which limitation is applicable to both correlation and ...

[mspears3]

Which limitation is applicable to both correlation and regression?
 
  A) The degree of predictability will be underestimated if the underlying relationship is linear.
  B) Nothing can be inferred about the direction of causality.
  C) Restrictions in range and unreliable measures are uncommon.
  D) The relative importance of different predictor variables cannot be assessed.

Question 2

When the standard deviation of the original population is small, the experiment tends to
 
  A) have a higher level of power.
  B) have a lower level of power.
  C) show a less significant difference between the two populations.
  D) have a high level of Type II error.

[dudman123]

Answer to Question 1

B

Answer to Question 2

A

[mspears3]

TYSM

[tandmlomax84]

Thanks for the timely response, appreciate it