http://ajcn.nutrition.org/content/80/3/591.full.pdf+html 1-Refer to Montgomery a
ID: 3151070 • Letter: H
Question
http://ajcn.nutrition.org/content/80/3/591.full.pdf+html
1-Refer to Montgomery article. In the multiple regression analyses, is sex significantly related to PAL?
Yes
NO
2-Refer to Montgomery article. Which variable is inversely related to PAL?
Time spent sedentary
Time spent in moderate activity
Age
None are inversely related
3-Refer to Montgomery article. If percent MVPA accounts for 4.8% of the variability in PAL, how much variation does age, sex, and BMI SD score (together) account for in PAL?
11.4%
12.0%
14.8%
6.6%
4-Refer to Montgomery article. From the correlation analyses in Figure 1, how much variability does time spent sedentary account for in PAL?
33%
11%
57%
22%
5-Refer to Montgomery article. Is how heavy a child is (as measured by BMI SD score) significantly related to his or her level of physical activity (PAL) in this study?
Yes
No
Yes
NO
2-Refer to Montgomery article. Which variable is inversely related to PAL?
Time spent sedentary
Time spent in moderate activity
Age
None are inversely related
3-Refer to Montgomery article. If percent MVPA accounts for 4.8% of the variability in PAL, how much variation does age, sex, and BMI SD score (together) account for in PAL?
11.4%
12.0%
14.8%
6.6%
4-Refer to Montgomery article. From the correlation analyses in Figure 1, how much variability does time spent sedentary account for in PAL?
33%
11%
57%
22%
5-Refer to Montgomery article. Is how heavy a child is (as measured by BMI SD score) significantly related to his or her level of physical activity (PAL) in this study?
Yes
No
Explanation / Answer
Answer to question# 1)
yes sex has significant effect because the P vlue for sex is 0.005 which is very small as compared to the significance level
.
Answer to question# 2)
The coefficient of percent sedentry is negative
this implies PAL and percent sedentry are inversely related
thus the correct asnwer choice is "Time spent in sedentry"
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.