Question
You want to examine whether omega-3 consumption is associated with body mass index (BMI) using linear regression. You use the following equation to fit your
You want to examine whether omega-3 consumption is associated with body mass index (BMI) using linear regression. You use the following equation to fit your line:
BMI = intercept + slope*omega-3
After fitting your linear regression to the data, you calculate an R2of 0.1. Given this calculation, which of the following statements is most correct?
a.
10% of random (null) lines could produce an effect as strong or stronger than observed.
b.
10% of the variation in BMI is explained by omega-3 consumption.
c.
There is a 10% chance that omega-3 consumption is associated with BMI.
d.
For every 1 unit consumption of omega-3, BMI increases by 10%.
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