Chapter 12
t Test for Independent Samples

 I. Hypotheses

 A. Null Hypothesis

  

B. Research Hypothesis 

1. One-Tailed

or

 2. Two-Tailed

 

II. Standard Error of the Difference Between Means. . . .

III. t Test Between Independent Sample Means.....(Worked problem)

 IV. Degrees of Freedom. . . . df

V. Significance

A.  Compare computed t to the value in Table T.

B.  If the absolute value of the computed t is > or = to the value in Table T then reject H_o and accept H₁.

VI.  Visual Summary:  t Tests Between Two Independent Sample Means

Copyright © 2004 by Mark W. Vernoy