IPHY2800
Introduction
to Statistics
Fall 2006  Exam
I
•
Fill in your full
name and student
id on the answer sheet, including
bubbles.
•
Use only a #2 pencil and erase completely
if you change an answer.
•
Fill in the entire circle you select, do not use small circles or Xs.
•
Make no stray marks or notes  if you fill in two or more circles, the
question
will be scored as incorrect.
•
Do not bend, fold, tear, staple, or make any holes in the answer sheet.
1. You have developed
a new
method for measuring
bone mass
density, so you compare the results
of your new method to those
obtained
using traditional
methods.
This is an example
of testing the
_____
ofyour
new method.
A. validity
B. reliability
C. objectivity
2. Which of the following
is an
example
of a tova_r_ia_b_le:]
~~~
~~~
u
VCUUu
A. number of players on a basketball
court during a game
B. sex in a study of women suffering
from breast cancer
C. the mathematical
term, Pi
D. number
of students
who
take
statistics
each semester
3. The Scholastic
Achievement
Test
(SAT) most likely measures
aptitude
on what type of scale?
A. nominal
B. ordinal
Y£,LYI
l H'
g
C. interval
.:::.
LlVll"h
I
hO
CLI?
O. rati
0
In+e.NV OJ
s
Cl.LlO
I
=
ZQ.rV
4. When we sample representative
subjects from all fifty states in the US
to gather information,
the data we
collect can be used to estimate
____
about the whole country.
A. parameters
O'l <u1l t,;\t,V\\'\1(.
.
0
t
eYrh~
[email protected]\
B. statistics+tllJ
l4?Du+
0.t;L1VtAple.
C. a population
O. variables
5. You interview
1000 subjects
and
ask them how many days per week
they go to the gym to workout.
The
best way to organize such data
would be:
A. rank order distribution
~Y\'1IJlc~
Y1U1qe,+cw d.oJru
B.
simple
frequency
distribution
Sm\
YRYlql?)
lohda.h
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
This is the end of the preview.
Sign up
to
access the rest of the document.
 Spring '08
 DECKER,MIK
 Normal Distribution, Standard Deviation, simple frequency distribution

Click to edit the document details