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Exam (elaborations)

BRM Quiz 2 Exams Questions & answers with Complete Solutions 100%correct

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BRM Quiz 2 Exams Questions & answers with Complete Solutions 100%correct

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BRM
Quiz
2
Exams
5
number
summary
(
is
box
plot)
-
ANS-min,
Q1,
median,
Q3,
max
median
=
50%
mean
and
mode
are
not
included.
Can
not
find
a
mean
with
a
box
plot
or
a
5-number
summary.
average
=
mean
mean
never
changes
but
median
does.
Can
determine
the
skewness
from
a
box
plot
turn
to
the
side.
69-95-99.7
Rule
-
ANS-If
random
variable
X
has
a
normal
distribution,
then,
no
matter
what
the
mean
and
standard
deviation
is:
With
probability
about
68%,
the
random
variable
falls
within
one
standard
deviation
above
or
below
the
mean.
With
probability
about
95%,
the
random
variable
falls
within
two
standard
deviations
above
or
below
the
mean.
With
probability
about
99.7%,
the
random
variable
falls
within
three
standard
deviation
above
or
below
the
mean.
Bar
Graph
-
ANS-categorical
data.
-
all
bars
on
the
graph
must
have
the
same
width
and
can
not
touch.
-
only
sometimes
can
convert
to
pie
chart
only
if
representing
whole
Distribution
-
ANS-Whenever
looking
for
a
distribution
you
looking
for
the
SHAPE,
CENTER,
SPREAD
Distribution
of
a
variable
=
shows
possible
values
and
how
often
it
takes
those
value
Find
percentage
between
two
numbers
-
ANS-Technique
2=
find
the
standard
score
of
each
1,
look
for
each
on
z
table
and
subtract
the
scores
found
on
the
z
table

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August 1, 2024
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Written in
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Type
Exam (elaborations)
Contains
Questions & answers
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