When the degrees of freedom reach infinity, the t distribution ...

[kellyjaisingh]

When the degrees of freedom reach infinity, the t distribution
 
  a. becomes identical with the distribution of raw scores
  b. gets larger
  c. approximates normality
  d. cannot be obtained

Question 2

Suppose that you as a statistical consultant were given the following test
  data from a researcher: M = 400, SD = 32 and the standard error of measurement = 100. You are asked to use the Rulon formula for finding the test's reliability.
 
  What will be an ideal response?

[sailorcrescent]

Answer to Question 1

c

Answer to Question 2

Rulon reliability = -8.76 (an impossible value, since SEM can never be greater
than the SD

[kellyjaisingh]

Wow, this really help

[xiazhe]

Thanks for the timely response, appreciate it