d.
a greater frequency of scores below the mean than above
the mean
36.
Under the normal curve
a.
the mean lies to the right of the median
b.
the mode lies to the left of the mean
c.
the median lies to the left of the mode
d.
none of these
37.
The normal curve is
a.
a frequency distribution curve

b.
leptokurtic
c.
platykurtic
d.
skewed to the left
38.
When the normal curve is plotted according to standard
deviation units,
each having a value of 1.00, it is called
a.
platykurtic
b.
leptokurtic
c.
the standard normal curve
d.
the deviation curve

39.
Under the normal curve, 68% of the cases must always
fall
a.
above the mean
b.
between + 1 standard deviation units from the mean
c.
between + 2 standard deviation units from the mean
d.
all of these, depending on the particular shape of the
curve
40.
Under the normal curve, 50% of the cases must always
fall
a.
below the mean
b.
above the mean

c.
below the median
d.
all of these
41. When more than 34% of the cases under the curve fall
between the mean and a z score of + 1, then
a.
68% of the cases fall below the mean
b.
the curve cannot be symmetrical
c.
the curve cannot be normal
d.
none of these