Re: Steep learning curve - or not?

In alt.usage.english, Robert Lieblich wrote:
>As plotted on standard graph paper, a learning curve is a J curve in
>the upper right quadrant, where both axes have positive numbers. The X
>axis represents units produced, and the Y axis represents time to
>produce a single unit, so the curve as a whole compares how long it
>takes to produce any given unit against the numbers of units already
>produced.

Surely that information is available from the obvious and much simpler
graph, which is that of numbers of units produced (Y) against time (X).
You'd just look at the gradient. Why would anyone feel the need to draw
the somewhat specialised and off-beat graph that you describe?

Oh, I forgot, they're probably educationalists. Forget I spoke.

--
Mike Barnes
Cheshire, England
.

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