# Solution Library

# 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?

- -38%
- 14%
- 62%
- 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?

- 08
- 0064
- 64
- 28

**Question 13**

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

- Age and sex
- BMI
- PA
- None were related

**Question 14**

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

- Vitality
- Age
- Sex
- BMI

**Question 15**

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

- Those with a high BMI tended to have high Wi score
- Those with a high BMI tended to have a high Wi score
- 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?

- A platykurtic curve
- A normally distributed curve
- A leptokurtic curve
- 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?

- A sample
- A randomly selected and representative sample
- A population
- 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?

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

- BMI
- PA
- WI
- DD

**Question 20**

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

- 1%
- 15%
- 16%
- 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.

**Total Word Count NA **

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