A researcher selects a pair of random samples. In Group 1 the ...

[waynest]

A researcher selects a pair of random samples. In Group 1 the scores are 10, 4, 12, 5, 4, 6, 8, 7. In Group 2 the scores are 6, 4, 9, 3, 2, 5, 7, 4.
 
  a. Find the t ratio
  b. As a two-tail t, should Ho be rejected?
   If rejected, state the probability of the alpha error.
  c. Do the two groups represent a single population?

Question 2

With an equal mean difference, when the correlation is significant, the
  paired t results in a higher t ratio than does the independent t.
 
  Indicate whether the statement is true or false

[cloudre37]

Answer to Question 1

a t=1.543

Answer to Question 2

T

[waynest]

Thanks for the timely response, appreciate it

[EAN94]

Gracias!