Saturday
April 19, 2014

Homework Help: statistics

Posted by Anonymous on Wednesday, October 6, 2010 at 9:37am.

Assuming that the population variances are equal for Male and Female GPAs, test the following sample data to see if Male and Female PhD candidate GPAs (Means) are equal. Conduct a two-tail hypothesis test at =.01 to determine whether the sample means are different. Do NOT do a confidence interval.


Male GPAs Female GPAs
Sample Size 12 13
Sample Mean 2.8 4.95
Sample Standard Dev .25 .8

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - The mean GPA (grade point averagE. of all male students at a ...
Biometrics - If these samples were drawn from a population with mean male weight...
Statistics Help - Six candidates for a new position of vice-president for ...
statistics - 4 Find: a. The z score for each male salary, based on only the male...
science - Make a standard table with this data Table Number: 1 Table Title: ...
science - Make a standard table with this data Table Number: 1 Table Title: ...
Binomial Probability - Before 1918, wolves were shown as 55% male, 45% female. ...
IB Biology/Biology - Web feet is a sex linked characteristic in Dingbats. Female...
statistics.urgent please help.. - A local college cafeteria has a self-service ...
Genetics - Among 10,000 twin births, there were 4350 male pairs, 4150 female ...

Search
Members