Consider the letirement lunds data linked below. Using the threeyear retun'l percentage variable, complete pans (a) through (c) below. H
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e .5 Question Help
The cost per household M for various benefit programs for a particular group of people in a given year are Cost per 91
shown to the right. Category Household (S)
a. Co
Oftheathomegames,weareinterestedinfindingwhat
proportionwerewins.Inordertofigurethisout,weneedto
find:
A.
B.
C.
D.
E.
P(H)
P(W)
P(HandW)
P(H|W)
P(W|H)
Feedback
Goodjob!Wearelimitingourinteresttotheho
A.
B.
C.
D.
E.
LetAandBbetwoindependentevents.IfP(A)=.5,what
canyousayaboutP(A|B)?
CannotfinditsinceP(B)isnotknown.
CannotfinditsinceP(AandB)isnotknown.
CannotfinditsincebothP(B)andP(AandB)arenot
kn
A.
B.
C.
D.
E.
Oftheathomegames,whatproportionofgameswerewins?
(Note:Someanswersareroundedtotwodecimalplaces.)
.12
.15
.20
.33
.42
Feedback
Goodjob!NowweactuallywanttofindP(W|H).Weapply
thedefinitiono
6. What two Z values, symmetric around the mean, will
contain 75.4% of all Z values?
Z = 1.16 and Z=-1.16
If you subtract the middle
75.4% from 100% you get
24.6%, the area left in
both tails combined
Answers to Homework Week 8
Before trying to do these problems, I recommend that you not only complete the OLI
module and read the textbook pages but that you also use the Textbook Materials (posted
on
What You Need to Know to Prepare for the Midterm
CO LL APS E
Therewillbebetween30and40questions.Theformatwill
besimilartotheformatofthehomeworkassignments. There
maybequestionsthatrequireyoutouseExce
Which Z Formula to Use
One of the biggest problems students have when doing Week 10's homework (and on the
final exam) is deciding which of the following 2 formulas to use when calculating a Z
score:
Start your essay by defining nationalism and Imperialism in a way that
reflects the new conditions after 1918. Your definition should be specific-referring to the sources and to events in the Mid-East
Team
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
AA
BB
CC
DD
League Wins
0
75
0
63
0
82
0
83
0
91
0
66
0
65
0
85
0
95
0 102
0 116
0
62
0
73
0
80
1
92
1
88
1
88
1
66
1
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76
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93
1
86
1
68
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Homework Week 7
The topic of Probability is a challenging one for students. For that reason, and because
there are two Checkpoints this week, Im not assigning an additional homework
assignment on Prob
INFO LIT BLOG INSTRUCTIONS
Each member of the class will contribute to the Information Literacy Project using our Info Lit
Blog. The Blog will therefore be a kind of collective journal, in which our c
Homework Week 10
In addition to completing this week's OLI and textbook work, use the Textbook Materials for
Chapter 6. For Chapter 6, Section 3, watch the Lecture Video and the 3 Exercise Videos.
Als
Homework Week 6
You will be submitting a Word file and an Excel file this week.
Part 1
(worth 70 points)
1. Unlike the spinner on p. 90 of the OLI module,
imagine a spinner that also has 3 colors - -
Homework Week 3
At this early point in the term, you are already prepared to statistically analyze a set of
data!
The attached data set, homes.district1.xls, contains information about the price, size
Homework Week 4
Submit one Excel file containing the following:
1) a labeled (male and female in different colors) scatterplot similar to the one you
created on p. 47 of the OLI module, but this one w
Homework Week 2
Submit an Excel Workbook containing the following worksheets:
1) A pie chart you construct in Excel using the data about Super Bowl Snack
Foods at the bottom of p. 73 in the text book.