Might be a stupid question but anyway .. how do they tally it .... what makes a viewing figure ?? i.e. if you are flicking through the channels and stop on something for literally five seconds, is that a figure ?? or do you have to watch it start to finish ??
How do the add it up .... is it a cross section of the viewing public and then fill in the blanks, i.e. they survey a 1000 people and add in the rest based on that ??
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