The formula to calculate the degrees of freedom in an independent samples t test is “sample size – 2.” Why is it “minus 2”?
What will be an ideal response?
Ans: Because there is one degree of freedom for each group in the analysis. There are two groups, each with one degree of freedom, for a total of two degrees of freedom.
You might also like to view...
When setting up a parent-teacher conference it is important to:
A. Choose a time that suits you. B. Hold them only during center hours. C. Choose a time that is convenient for families. D. Allow 15 minutes per conference.
Girls--particularly as they grow older--often perceive their competence to be __________ boys' perceptions of their competence
a. higher than b. lower than c. better than d. the same as
A graphical environment on computer networks with documents containing text, data, sound, graphics and video, that allows users to access, view, and maintain information
A. HTTP B. World Wide Web C. Wide area network D. URL
What are some purposes for using criterion-referenced tests?
What will be an ideal response?