Statistics Unit 3 Ip
Essay by 24 • December 24, 2010 • 509 Words (3 Pages) • 1,792 Views
Samples Pg. 1
Running Head: SAMPLES
Samples Pg. 2
The claim being tested is that the mean overall satisfaction level for males and for females is not the same.
Null Hypothesis: Ho: ¦Ðœ1 - ¦Ðœ2 = 0
Alternative Hypothesis: H1: ¦Ðœ1 - ¦Ðœ2 ЎЩ 0
Where ¦Ðœ1 is the mean overall satisfaction in the population of men
Where ¦Ðœ2 is the mean overall satisfaction in the population of women
Sample for the test is given below
GENDER OVERALL
SATISFACTION
1 2.8
1 4.6
1 5.3
1 4.8
1 1.8
1 4
2 4
2 2.2
2 3.2
2 5
2 7
2 5
2 4
2 5.5
2 6
2 3.2
2 6
1 3
1 4.6
1 4.6
1 4.8
2 4.4
2 6
2 3.8
2 2
1 5.8
2 4.6
2 5.8
2 6.2
Samples Pg. 3
Gender
1 Male
2 Female
The sample is separated into observations for males and females below
Samples Pg. 4
MALES OVERALL
SATISFACTION
2.8
4.6
5.3
4.8
1.8
4
3
4.6
4.6
4.8
5.8
FEMALES OVERALL SATISFACTION
4
2.2
3.2
5
7
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