Use
the
t-distribution
table
to
find
the
critical
value(s)
for the
indicated
alternative
hypoth
of
signifi
sizes
ny
and
n,.
Assume
that
the
samples
are
independent,
normal,
and
random.
Mm(a)zfl(b)
Ha:
pq#p2,@=020,ny
=18,
np
=8
(a)
Find
the
critical
value(s)
assuming
that
the
population
variances
are
equal.
(Type
an
integer
or
decimal
rounded
to
three
decimal
places
as
needed.
Use
a
comma
to
separate
answers
as
needed.)
(b)
Find
the
critical
value(s)
assuming
that
the
population
variances
are not
equal.
(Type
an
integer
or
decimal
rounded
to
three
decimal
places
as
needed.
Use
a
comma
to
separate
answers
as
needed.)
claims
that
the
stomachs
of
blue
crabs
from
Location
A
contain
more
fish
than
the
stomachs
of
blue
crabs
from
stomach
Location
nigamsdffl-mdastmdarddewalmdumlm
At
a=0.01,
can you
support
the
researcher's
claim?
Assume
the
population
variances
are
equal.
Complete
parts
(a)
through
(d)
below.
(a)
Identify
the
null
and
altemative
hypotheses.
Choose
the
correct
answer
below.
O
A
Hy
py-py<0
O
B.
Hy
py—p,50
Ha:py
~p2
=0
Hyipy-p2>0
OC.
Hypy-py=0
OD.
Hy
py—p20
HaZpy
—p2
#0
Hy:
g
—p2<0
(b)
Find
the
standardized
test
statistic
for
iy
—jip.
t=[
|
(Round
o
three
decimal
places
as
needed
)
(c)
Calculate
the
P-value.
P=:'Mbmrdodndph\aaneubd.)
(d)
State
the
conclusion
fi
B
20
=
»
ima-afi;-:v
tions
Slide
Show
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