Wednesday
October 1, 2014

Homework Help: statistics

Posted by BOB on Wednesday, April 20, 2011 at 11:09pm.

In a study of the effect of college student employment on academic performance, the following summary statistics for GPA were reported for a sample of students who worked and for a sample who did not work.( university of central florida undergraduate research journal, spring 2005).
sample s. gpa standard d
students employed, 184, 3.12, .485
not employed 114, 3.23, .524

the samples are selected at random from working and nonworking students at teh University of Central Florida. Does this information support the hypothesis that for students at this university, those who are not employed have a higher mean GPA than those who are employed ( significance level =.05)?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - A sample of the number of study per week of college students is ...
statistics - A researcher is testing the effect of a new cold and flu medication...
statistics - The mean GPA (grade point averagE. of all male students at a ...
Statistics - MBA_GPA BS GPA 2.82 3.05 3.49 3.45 3.28 3.5 3.25 3.55 3.26 3.3 2.87...
statistics - In a random sample of 112 State College students, 41 students ...
statistics - In a random sample of 112 State College students, 41 students ...
statistics - Hypothesis testing on a paired sample, using the sign test. An ...
managerial statistics - student conduct a study and reported that 95% confidence...
statistics - Can a student keep up their grade performance at the next level? Is...
statistics - Among the 500 first year students of college, 270 students study ...

Search
Members