A researcher wishes to determine whether happiness and marital status are dependent from one another. The table below shows the observed frequencies. Use alpha = 0.05 to find the following:
|
Married |
Widowed |
Divorced/Separated |
Never Married |
| Very Happy |
600 |
63 |
112 |
144 |
| Pretty Happy |
720 |
142 |
355 |
459 |
| Not Too Happy |
93 |
51 |
119 |
127 |
Is the alternative hypothesis independent or dependent?
State the test statistic from minitab: (Enter to 3 decimal places)
Determine the number of degrees of freedom:
State the p-value from minitab: (Enter as 0.xx)
State the decision (enter r for reject Ho or f for fail to reject Ho):
Is there evidence to show happiness and marital status are dependent? (enter yes or no)