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WorkBook Exercise Essay

1. What demographic variables were measured at least at the interval level of measurement?

Education, Marital status, type of feeding, amount of household and infant care responsibilities.

2. What statistics were used to describe the length of labor in this study? Were these appropriate?

Hours. These are appropriate because they are the standard.

3. What other statistic could have been used to describe the length of labor? Provide a rationale for your answer.

Minutes could have been used instead for more precise data. Days would be to general.

4. Were the distributions of scores similar for the experimental and control groups for the length of labor? Provide a rationale for your answer.

I believe that they are similar as they are only a three hours difference.

5. Were the experimental and control groups similar in their type of feeding? Provide a rationale for your answer.

The experimental and control groups were very similar in their type of feeding because they were only +/- 2 in each sub-category.

6. What was the marital status mode for the subjects in the experimental and control groups? Provide both the frequency and percentage for the marital status mode for both groups.

The marital status mode is separated/divorced. Frequency and percentage for separated/divorced in experimental group: 1, 3.1% Frequency and percentage for separated/divorced in controlled group: 1, 2.8%

7. Could a median be determined for the education data? If so, what would the median be for education for the experimental and the control groups? Provide a rationale for your answer.

Yes, a median can be determined for the education data.
Experimental: 11, Some college
Controlled: 13, College graduate or higher
The median is the middle number for a sequence of numbers.

8. Can the findings from this study be generalized to Black women? Provide a rationale for your answer.

No, the majority of the statistics were for white females.

9. If there were 32 subjects in the experimental group and 36 subjects in the control group, why is the income data only reported for 30 subjects in the experimental group and 34 subjects in the control group?

Numbers do not always total 32 for experimental group or 36 for control group because of missing data.

10. Was the sample for this study adequately described? Provide a rationale for your answer.
No, the sample for the study only gives majority of the data for white females. The sample also leaves out several large racial groups.


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