In: Statistics and Probability
. Consider the following table. You need to find out if there is an association between
educational attainment and annual income.
Income below $35,000 |
Income $35,000 to $65,000 |
Income more than $65,000 |
Total |
|
No college education |
122 |
100 |
85 |
307 |
Some college education (no degree) |
145 |
155 |
175 |
475 |
College education and a college degree |
75 |
175 |
185 |
435 |
Total |
342 |
430 |
445 |
1217 |
(b) State the research question.
(c) State both hypotheses.
(d) Calculate the degrees of freedom.
(e) Calculate the expected frequencies.
(f) Calculate the test statistic.
(g) State a decision regarding the null hypothesis.
(h) Calculate the p-value.
(i) Interpret the results using the p-value. Be very detailed and specific here