Consider
the
data
0,
4,
2,
9,
3,
7,
3,
12.
State
the:
a
range
b
mean
¢
median
d
mode
5.
This
stemandleaf
plot
shows
the
ages
of
a
group
of
people
in
aroom.
giom

Leaf
a
How
many
people
are
in
the
room?
0
3
5
b
What
are the
ages
of
the
youngest
and
oldest
people?

17
9
c
.For
the
data
presented
in
this
plot,
find
the:
9
02
2
3
I
range
il
median
:
J
ok
iiil
mode
4
3
1T
22
means
22
6.
Two
groups
of
students
have
their
pulse
rates
recorded
as
beats
per
minute.
The
results
are
listed
here:
Group
A:
65,
70,
82,
81,
67,
74,
L1,
81,
88,
84,
72,
65, 66,
81,
72,
68,
86,
86
Group
B:
83,
88,
78,
60,
81,
89,
91, 76,
78, 72,
86,
80,
64,
77,
62, 74,
87,
78
a
How
many
students
are
in
group
B?
b
If
the
median
pulse
rate
for
group
A
is
76,
what
number
belongs
in
the
12
¢
What
is
the
median
pulse
rate
for
group
B?
d
Which
group
has
the
largest
range?