Question

@kropot72

Answer 1

A psychologist believes that there is a relationship between gender and depression. He takes a random sample of 55 men and 111 women to test this idea. For each sample, he measures their depression on a scale of 1 to 20 with higher scores indicating greater depression. The mean score for men was 3.2 with a standard deviation of 2.1. The mean score for women was 5.1 with a standard deviation of 3.2. Is there a significant difference between groups? Be sure to state H0, state H1, calculate and state the test statistic, and provide the decision/conclusion statement.


Is this a Z test?

Answer 2

Or would this be independent sample t

Answer 3

I think it's the independent

Answer 4

I did iindependent and got this as my answer.. can you verify my numbers are right?

H1: The average score for depression in men is significantly higher than woman. H0: There is no difference in the means. Reject H0: There is a significant difference between the means (t= -4.58, df=164, p<.05)

Answer 5

Sorry, I have to log out now and don't have time to help with this. Hopefully someone with more expertise can help.

Answer 6

@agent0smith @calculusxy @Gebooors @Luigi0210 @whpalmer4
Any of you know this?