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Homework answers / question archive / 1)A) What graphic representation of the data would you suggest? B) After creating this graph, the researcher notices one of the subjects is significantly below the trend line that the other subjects seem to follow

1)A) What graphic representation of the data would you suggest? B) After creating this graph, the researcher notices one of the subjects is significantly below the trend line that the other subjects seem to follow

Statistics

1)A) What graphic representation of the data would you suggest? B) After creating this graph, the researcher notices one of the subjects is significantly below the trend line that the other subjects seem to follow. What might be a logical explanation for this outlier?

2) The diabetes educator would like you to present her results in a grouped frequency table showing the frequency and percentage of those who passed the posttest with >70% and those who didn’t for the report she has to make to her funding agency. Show your product.

3)A) Is the pregnancy status of this group of adolescents typical? Why might that be? B) What percentage of the patients answered all four questions correctly? C) Add another column to the table, and calculate the cumulative percentage.

4)A) Could any of these variables have been measured as continuous quantitative variables? B) Construct a histogram for the ages of the adolescents. Describe the histogram and what it tells you about this sample population. Why would a histogram be an appropriate choice for presenting this data?

5)A) Construct a bar chart for mother’s marital status. B) What percentage of the adolescents are employed? What percentage of the adolescents are in school? Are these variables quantitative or qualitative? Round to the nearest tenth of a percent. C) Identify the level of measurement of each variable

6)A) Given the information in review question 2, what percentage of patients reported no cold symptoms? B) Construct a line graph showing the data from 2017 and the data from 2018. Compare the two. C) Why didn’t the numbers change significantly for August and September?

7) In your study of 40 people, 8 had no cold symptoms, 12 had mild cold symptoms, 9 had moderate cold symptoms, and 10 had severe cold symptoms. One patient was lost to follow-up, and no data could be collected. What percentage of patients reported cold symptoms?

8) Thirty fathers were asked about the highest level of education they had completed. Ten completed only elementary school, 10 completed elementary and high school, 7 completed all levels through college, and 3 completed all levels through graduate school. What was the cumulative percentage of fathers who completed only elementary school? Round to the nearest whole number.

9)A) You conclude your study by examining how compliance with the DASH diet affects the stage of high blood pressure. What is your independent variable? B) What is your dependent variable? Is it continuous or categorical?

10) After meeting with your statistician, you measure compliance with the DASH diet on a scale of 1 to 7. For analysis purposes, the dietary compliance variable is now what level of measurement? Why might the statistician have recommended this change?

11)A) You complete a study in which you categorize the subject’s blood pressure as normal, prehypertensive, high blood pressure stage 1, or high blood pressure stage 2 using the following criteria. What level of measurement is the stage of high blood pressure? B) You are now interested in examining compliance with a DASH diet. You ask your subjects if they have or have not complied with the diet this week. Your dietary compliance variable is what level of measurement?

12)A) What is the dependent variable in the second phase of the study? B) Considering the information you now know about the side effects and relief of neuropathy symptoms, what might you prefer as a patient? Why? What else might you want to know before making the decision?

13) If the nurse researcher asked the subjects to describe their headache, would this be a quantitative or a qualitative variable? In the second phase of this study, the nurse researcher asks the study participants to report changes in signs and symptoms of their neuropathy. She determines that those on the low-dose regimen had a similar level of pain relief and improvement in mobility as those who took the high-dose drug regimen.

14)A) If the nurse researcher decided to measure nausea as present, limiting, or debilitating, what level of measurement would it be? Would nausea be a continuous or categorical variable? B) If the nurse researcher measured nausea as the number of hours of nausea experienced in a day, what level of measurement would it be?

 

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