Discussion:
Null should be: There is a difference between male and female salaries at all levels
ALternate should be: There is no difference between male and female salaries at all levels.
The conclusion of the parametric should be "Do Not Reject Ho"
contingency table Observed
Education male female total
High School 28 33 61
2 year college 8 7 15
4 years or higher 17 6 23 #NAME?
total 53 46 99
contingency table Expected
Education male female total
High School 32.65656566 28.34343434 61
2 year college 8.03030303 6.96969697 15
4 years or higher 12.31313131 10.68686869 23
total 53 46 99
contingency table Chi-sq computations
Education male female
High School 0.663989102 0.765030922
2 year college 0.000114351 0.000131752
4 years or higher 1.784009082 2.055488725
total 5.268763934 chi sq
df 4
Alpha 0.05
Critical value 9.487729037
conclusion Do Not Reject Ho
=IF(Chi_Sq>Crit_Val, "Reject Ho", "Do Not Reject Ho")
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|
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| F-Test Two-Sample for Variances |
|
|
|
| |
Variable 1 |
Variable 2 |
| Mean |
0.816038 |
0.940217 |
| Variance |
0.812909 |
1.079141 |
| Observations |
3 |
3 |
| df |
2 |
2 |
| F |
0.753293 |
|
| P(F<=f) one-tail |
0.429645 |
|
| F Critical one-tail |
0.052632 |
|