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question: Biostats for public health


1.    A researcher is interested in testing the

relationship between smoking and BMI (kg/m2) in adults aged 30-45. In order to test this association, the researcher divides smoking into currently more than a pack a day, currently less than a pack a day, and never smokers.  The following table represents the BMIs for each participant enrolled by their respective smoking category.

Image 11-30-18 at 2.41 PM 2.jpg

Image 11-30-18 at 2.41 PM 2.jpg

1. A researcher is interested in testing the relationship between smoking and BHI {kgfrn'fl in adults aged 3:] -45. In order to test this association, the researcher divides smoking into currently more
than a pack a day. currently less than a pack a day, and never smokers. The following table represents the BMls for each participant enrolled by their respective smoking category. At an alpha-level of fl_{|5_ does smoking have an effect on BMI? If so, which smoking levels are significantly different in BMI? The data is in W.

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