For a group of graduating college seniors, a researcher records ...

[jc611]

For a group of graduating college seniors, a researcher records each student's rank in his/her high school graduating class and the student's rank in the college graduating class. Which correlation should be used to measure the relationship between these two variables?
 
  A) Pearson correlation
  B) Spearman correlation
  C) point-biserial correlation
  D) phi-coefficient

Question 2

For a normal population with  = 40 and  = 10 which of the following samples has the highest probability of being obtained?
 
  A) M = 42 for a sample of n = 4
  B) M = 44 for a sample of n = 4
  C) M = 42 for a sample of n = 100
  D) M = 44 for a sample of n = 100

[annierak]

Answer to Question 1

B

Answer to Question 2

D