Question
4
3
/
3
points
Consider
the
following
import
statement
in
Python,
where
statsmodels
module
is
called
in
order
to
use
the
proportions_ztest
method.
What
are
the
inputs
to
proportions_ztest
method?
Select
one.
from
statsmodels.stats.proportion
import
proportions_ztest
level
of
significance
(alpha),
zscore
for
the
level
of
significance
(zscore),
total
number
of
observations
(nobs)
zscore
for
the
level
of
significance
(zscore),
count
of
observations
that
meet
a
condition
(counts),
total
number
of
observations
(nobs)
o
count
of
observations
that
meet
a
condition
(counts),
total
number
of
observations
(nobs),
Hypothesized
value
of
population proportion
(value).
None
of
the
above
Question
5
3
/
3
points
Which
of
the
following
methods
from
Python's
scipy.stats
submodule
is
used
to
calculate
a
confidence
interval
based
on
the
Student’s
t-distribution?
Select
one.
Note:
st
is
from
the
import
command
import
scipy.stats
as
st
st.t.confidence
interval
st.norm.confidence
interval
e
st.t.interval
st.t.normal
