Midterm 1 - Version B - Multiple Choice

Thedoctoristryingto

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Unformatted text preview: 
class
 d. the
student’s
own
score
 e. All
the
above
information
is
necessary
 A
population
of
scores
has
μ
=
44.
In
this
population,
a
score
of
X
=
40
corresponds
to
z
=
‐1.00.
 What
is
the
population
standard
deviation?
 a. 2
 b. 4*
 c. ‐2
 d. ‐4
 e. cannot
determine
from
the
information
given
 
 John
drives
to
work
each
morning
and
the
trip
takes
an
average
of
µ
=
38
minutes.

The
 distribution
of
driving
times
is
approximately
normal
with
a
standard
deviation
of
σ
=
5
 minutes.

For
a
randomly
selected
morning,
what
is
the
probability
that
John’s
drive
to
work
 will
take
between
36
and
40
minutes?
 a. 0.3446
 b. 0.3892
 c. 0.1554
 d. 0.6554
 e. 0.3108*
 10) Max
is
trying
to
estimate
the
number
of
hours
the
average
UCSD
student
has
spent
at
 Disneyland.

He
collects
data
from
a
small
sample
of
eight
students,
which
by
random
chance
 happens
to
include
one
student
whose
parents
both
worked
at
Disneyland
his
whole
life.

His
 data
is
as
follows
(in
hours):

4,
19,
0,
52,
19,
36,
2,
11231.

Based
on
these
data,
which
of
the
 following
measures
of
central
tendency
would
not
be
a
good
estimate
of
central
tendency?
 a. Mean*
 b. Median
 c. Mode
 d. A...
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This note was uploaded on 10/16/2011 for the course PSYCH 60 taught by Professor Parris during the Spring '11 term at UCSD.

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