Name
A
Show
all
your
work.
1.
The
length
of
eruption
for
a
sample
of
eruptions
at
the
Old
Faithful
geyser
are
as
follows:
74,
60, 60,
81,
72,
80,
80, 68, 73.
(2)
Find
the
mean
for
this
data.
e
éﬂ(\}m&:
Hd
4
bor
~
~
13
£4%
.
o,
Z

A
(b)
Find
the
mode
&D\\MC{&
é
O)
g
¢}
(¢)
Find
the
median
A
2o,
Lo,
6%,
C(Q,W4,
%0
€0
€\
ot
=
113
(d)
Find
the
range
Q@éﬂ:\')\@fif\)\\\'h
=
§\—bo=
21
(e)
Find
the
variance
2.
N
O
N
L
Gl
A
L
Els
m—\
&}
—\
—
gi%
=
44'(75/
a
oy

BB
(b)
Find
the
standard
deviation
for
this
data.
D=
MY':?OLPS/
}L