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Carefully Read The Journal Article On Diabetes And Answer The Question

Question

For answering this question please refer to the journal article “Impact of physical activity and bodyweight on health-related quality of life in people with type 2 diabetes” by Katharina Eckert. Dove Press Journal: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy 2012.

Question 11

From Table 3, how much variability in Phyfu does BMI account for?

  1. -38%
  2. 14%
  3. 62%
  4. 38%

Question 12

Based on Table 4, age, sex, and BMI together account for 8% of the variability in Vitality. If the R squared in 8%, what would the correlation coefficient(r) be for the analysis?

  1. 08
  2. 0064
  3. 64
  4. 28

Question 13

Based on Table 4, which variable accounted for the most variability in PCS?

  1. Age and sex
  2. BMI
  3. PA
  4. None were related

Question 14

From Table 4, which of the following is a y variable?

  1. Vitality
  2. Age
  3. Sex
  4. BMI

Question 15

From Table 3, the r for BMI and WI was -0.090 and was not statistically significant. What does this mean?

  1. Those with a high BMI tended to have high Wi score
  2. Those with a high BMI tended to have a high Wi score
  3. BMI and WI were not related

Question 16

If given that the median for age was 50 years with a mean of 63.2 years, what was this distribution look like?

  1. A platykurtic curve
  2. A normally distributed curve
  3. A leptokurtic curve
  4. A positively skewed curve

Question 17

In this study, 370 people had quality of life and physical activity levels measured. These 370 people were what?

  1. A sample
  2. A randomly selected and representative sample
  3. A population
  4. A random population

Question 18

Based on the data in the Results section, how likely is it that a person would have been diabetic for 45 years?

  1. Very likely since this number is well within plus or minus 1 SD of the mean
  2. Unlikely since this number is well outside of plus or minus 3 SD of the mean
  3. Unlikely since this number is well outside plus or minus 3 SD of the mean

Question 19

Form Table 3, which variable ( BMI, PA, WI, or DD) is the strongest positive relationship with Phyfu? [See the Table footnote for the definition of abbreviations]

  1. BMI
  2. PA
  3. WI
  4. DD

Question 20

From Table 4, how much variability does BMI account for in PCS above what age and sex account for?

  1. 1%
  2. 15%
  3. 16%
  4. 17%

Summary

The question belongs to Statistics and it discusses about referring to journal article “Impact of physical activity and bodyweight on health-related quality of life in people with type 2 diabetes” and answering the question.

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