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there is something missing from your question
no its the actual question
check that one
are u there?
you have to compair the standard deviations of each curve, remember that the sum of areas under each curve is one
but , how ? could you explain it?
theses are two normal curves with the same mean , but different std.div
the both have the same area ,; the sum of densities is one
there are not same mean?
can you tell be which curve has the greatest std. div , the red or black curve
right , because less of the red is as close the mean as the black
now if the means are different will this effect which is taller ?
right , the maximun height of the curve is only dependent of the std.div
So Y has a std.div of 10 and X has a std.div of 5
something like this |dw:1363241494740:dw|
so x has higher density curve ?
and the area under the density curve for X is less then (ii) the area under the density curve for Y .
is that righ?
x has higher density ✓
remember that the area under each density curve must sum to one
so its same
thank you so much
i got it
does it make senses now?