~
S tatistics Quiz # 7
f all 2009
M r. 0 I Donnell
I NSTRUCTIONS: CALCULATORS ARE ALLOWED.
Read all t he questions c arefully and m ark your answers in t he space provided. Show/explain
your work when necessary. I f you use t he c alculator, explain your
1.
Describe in your own words what is meant by line of best fit. (2 points)
A line of best fit is a straight line that best represents the data on scatter plot. In
general, we use method of least squares to find the line equation.
2. Answer the following:
.-
Statistics Quiz # 7
Fall 2 009
Mr. 0 Donnell
I
I NSTRUCTIONS: CALCULATORS ARE ALLOWED.
Read all t he questions c arefully and mark your answers in t he space provided. Show/explain
your work when necessary. I f you use t he c alculator, explain your
S tatistics
M r. O 'Donnell
Q uiz # 4 Fall 2 009
l ./
<)
r=-"\.
Name _ _ _ _.!.~_=_~_ P eriod
-K. c:. 1
_)
INSTRUCTIONS: You have 20 m inutes t o c omplete t his q uiz. Read all t he q uestions c arefully. S how/explain
y our w ork, even on m ultiple c ho
Statistics
M r. O 'Donnell
Quiz #4 Fall 2009
. Name_ _=-.:=-.,;~=-~-"o:. -;~ :s
5 C,
.
v n r: ~
_ Period _ _ _ _ Date_ _ _ _ _ _ _
INSTRUCTIONS: You h ave 15 minutes t o c omplete this quiz. Read all t he q uestions carefully. Show/explain
your w ork, ev
Fall 2 009
S tatistics
~Y
. NAME:_-i1~!.-_' _ _ _ _
l~
~
.L.-
Mr. O'Donnell
DATE: _ _ _ _ _ _ _
PERIOD: _ _
Q UIZ # 2 READ THE QUESTIONS CAREFULLY! Answer e ach question T rue ( T) o r False (F) in t he
s pace provided . Scoring is +1 f or e ach c orre
S tatistics
Spring 2 010
M r. O 'Donnell
S TATS Q UIZ # 5
S how all y our w ork a nd/or e xplain all y our s teps on t he c alculator. You m ay u se a
c alculator & a f ormula s heet.
'\
y~ HLc." .) '"(. rcl2-'h~.J . $ i ~ c.e:. , '3 3 I~ "'.J(:~A. (.
Midterm 1
Lecture 1:
THE NEXT THREE QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Percentage returns for the 25 largest U.S. common stock mutual funds for a particular day are
displayed below.
1.
24.3
13.6
19.7
25.0
31.0
21.8
24.9
31.5
20.2
25.9
33.2