The independent t ratio specifies how far the difference between ...

[anshika]

The independent t ratio specifies how far the difference between the sample means deviated from
 
  a. an assumed mean of 50, in units of standard deviations
   b. an assumed mean of 100, in units of estimated standard errors of difference
   c. an assumed mean of zero, in units of estimated standard errors of
   difference
   d. the standard deviation of the population

Question 2

The single-sample t ratio may be used when all the parameter values are known rather than assumed.
 
  Indicate whether the statement is true or false

[gcook]

Answer to Question 1

c

Answer to Question 2

F

[anshika]

Gracias!

[komodo7]

Excellent