The time married men with children spend on child care averages6.4 hours per week {Time, March 12, 2012). You belong lo aprofessional group on family practices that would like to do itsown study to determine if the time married men in your area spendon child care per week differs from the reported mean of 6.4 hoursper week. A sample of 40 married couples will be used with the datacollected showing the hours per week the husband spends on childcare.
Use the sample data to perform a t-test to determine if thepopulation mean number of hours married men are spending in childcare differs from the mean reported by Time in your area?Use α = 0.05 as the level of significance.
1.
| Hours |
| 7.3 |
| 6.5 |
| 7.7 |
| 5.8 |
| 3.6 |
| 9.7 |
| 6.2 |
| 8.7 |
| 11.4 |
| 0.6 |
| 8.2 |
| 7.2 |
| 9.4 |
| 7.5 |
| 5.4 |
| 8.0 |
| 9.4 |
| 4.5 |
| 7.5 |
| 7.9 |
| 5.8 |
| 7.6 |
| 8.3 |
| 9.8 |
| 9.0 |
| 6.2 |
| 4.7 |
| 0.6 |
| 11.2 |
| 8.3 |
| 9.0 |
| 7.9 |
| 7.0 |
| 6.3 |
| 3.8 |
| 8.1 |
| 7.0 |
| 7.6 |
| 2.3 |
| 7.0 |
1. Whats the null and alternative hypothesis, what type of testis it?
2. Compute,
| n |
| df |
| mean |
| stddev |
| stderr |
| criticalvalue |
| testvalue |
| p-value |
3. Do you reject or fail to reject the null hypothesis. Explainwhy. Use the α = 0.05 level of significance.  Explainyour conclusion using both the p-value and the test value.
4. State the conclusion?
