Question

Independent Sample T Test (Student Height)

Open College Student Data

Research Question: Is there a significant difference between genders on average student height?

Record the following:

1)What test will you run to answer this research question? Why?

2)Is Assumption One: Equal Variances met? How do you know?

3)Is Assumption Two: Normality met? How do you know?

4)Is Assumption Three: Independency met? How do you know?

5)What are the means? (Male and Female)

6)Answer the research question. How do you know?

7)Which gender is statistically taller? How do you know?

8)Is there an effect size (Cohen’s D)? If so what is it? How did you arrive at the effect size? Is it small, medium, large or very large? How do you know?

DATA SET

height   gender (1 - male, 2 - female)
67.00   2
72.00   1
61.00   2
71.00   1
65.00   2
67.00   1
69.00   1
75.00   1
62.00   2
61.00   2
64.00   2
64.00   1
70.00   1
63.00   2
64.00   2
63.00   2
65.00   2
71.00   1
72.00   1
68.00   2
75.00   1
67.00   2
69.00   1
67.00   1
64.00   2
64.00   2
70.00   1
64.00   1
70.00   1
72.00   1
64.00   2
71.00   1
67.00   2
63.00   2
69.00   1
68.00   1
64.00   2
70.00   1
71.00   1
72.00   1
60.00   2
65.00   2
72.00   1
63.00   2
75.00   1
71.00   1
65.00   2
69.00   1
63.00   2
67.00   2

Answer 1