NORMAL CURVE Flashcards
1
Q
is credited with
being the first to refer to the curve as the normal curve
A
Karl Pearson
2
Q
a bell-shaped, smooth, mathematically defined curve
that is highest at its center.
tapers on both sides approaching the X-axis
asymptotically (approaches, but never touches, the axis).
A
normal curve
3
Q
perfectly symmetrical, with no skewness so…
A
the mean, the median, and the mode
all have the same exact value.
4
Q
can be conveniently divided into areas defined in units of standard deviation.
A
Area Under the Normal Curve
5
Q
A normal curve has two tails
A
A normal curve has two tails
area between −2 and −3 standard
deviations below the mean
