Talk:The Biggest Loser Australia: Families
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I don't understand the concept of a BMI for a family. Was it calculated by just adding together the four indices for the family members? As BMI is a function of weight and height, wouldn't you need to have the family members stand on top of each other and then weigh them to calculate a group BMI?
Just added the BMI's of the family together and that is where the numbers come from? Same thing would be done for the finale.65.184.116.38 (talk) 02:13, 30 April 2011 (UTC)
I visited here to post the same thing - the family BMI should be the average, not the sum. Even then (as a statistician) I would need to determine if an average BMI makes any sense as the units are kg/m^2 TheWildColonialBoy (talk) —Preceding undated comment added 00:49, 3 May 2011 (UTC).
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