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I think you may be right.
Extrapolated means you analyzed the data and calculated where the curve would continue to past the recorded data.
Thanks eyust... WOuld A be correct then? :)
I would say B based on this definition: "Curvilinear: A curved relationship is called curvilinear, because it approximates a curved line."
Well they say relationship so that's why I picked A, though it is a curve.
I've never heard "curved" used to describe a relation either, but that might be right if "negative" is reserved for straight-line correlation only.
"In statistics, a relationship between two variables is negative if the slope in a corresponding graph is negative"
I would say both. lol
But Cliffsedge has a point... curved isn't a very common description.
yeah that's why I assumed negative :P. It deff is both, but curved isn't a relationship imo. It's the shape of it :).
Here's my go-to site for stats: http://stattrek.com/statistics/charts/scatterplot.aspx?Tutorial=Stat I'd say "negative" as well because the standard term is "non-linear" not "curved."