Statistics homework help needed

timer Asked: Oct 18th, 2015

Question description

1.  A clinical psychologist was interested in the effect test anxiety may have on the GPA of college students.  To examine this issue, a research study was conducted in which the GPA of a sample of students with test anxiety was compared to the overall GPA of all students at the college.  It is known that the overall GPA of students at the college is 2.50 with a SD of .30.  Complete the following steps to conduct a statistical test that addresses if test anxiety effects college students GPA.  a.  What is the Independent Variable (IV) with its respective levels and what is the Dependent Variable (DV) in this experiment? 1/2 point b.  Step 1:  Write the null and research hypotheses in symbols. 1 point     c.  Step 2:  Assume that we draw all possible random samples of 25 students from the population of students at the college.  What would be the appropriate standard error (SE) for a distribution of samples of size 25?  Give an interpretation in words of what this number means. 1 point SE  Interpretation of SE       

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