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Hlt362 V Statistics Week 1 Essay

1223 words - 5 pages

Lindsey Pierce
Exercise 11
HLT-362V
January 14, 2016

Using Statistics to Describe a Study Sample

1. What demographic variables were measured at least at the interval level
of measurement?
Answer:
The demographic variables that are measured at the interval level are: age, income, length of labor, return to work, and number of hours working per week.

2. What statistics were used to describe the length of labor in this study?
Were these appropriate?
Answer:
The statistics used to describe the length of labor in this study were mean and standard deviation. These were appropriate as they both can be calculated at the interval level of
measurement.

3. What other statistic ...view middle of the document...

1%). The control group that was married had a frequency of 31 (86.1%).

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.
Answer:
Yes, education variable has median equal to 11 for experiment group and medina equal to 12 for control group.

8. Can the findings from this study be generalized to Black women? Provide a rationale for your answer.
Answer:
No due to most women in the study being white.

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?
Answer:

10. Was the sample for this study adequately described? Provide a rationale for your answer.
Answer:

Chapter 16 Questions
1. The researchers analyzed the data they collected as though it were at what level of measurement?
a. nominal
b. ordinal
c. interval/ratio
d. experimental
Answer:
C, because the researchers evaluated the data as though it were at the interval/ratio level where they found the mean and standard deviations to define their study variables.

2. What was the mean post-test empowerment score for the control group?
Answer:
As listed on Table 2, the mean of the control group is 97.12 .

3. Compare the mean baseline and posttest depression scores of the experimental group. Was this an expected finding? Provide a rationale for your answer.
Answer:
The “subjects” of the experimental group scored significantly lower on the “depression post-test” (mean = 13.36 vs. the baseline score of mean = 14.00) sense there were fewer subjects “depressed” after the completion of the “empowerment program”. This was predictable knowing that the researcher used a hypothesis in which the empowerment program found to be helpful to the “ESRD patients” then there was a decrease in their depression totals. Which means that the alteration in the “depression baseline” and post-test measures the experimental group having a mean of 0.64 and this is less than what was anticipated.

4. Compare the mean baseline and posttest depression scores of the control group. Do these scores strengthen or weaken the validity of the research results? Provide a rationale for your answer.
Answer:
The mean baseline and post-test depression results of the control group were the exact same. Together the separately equated 10.40 this specifies that there was little to no change in the “control group subjects” from the depression baseline to posttest. The was a strengthening weight that was carried by the empowerment program developing a decline in the depression results for...

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