Consider the letirement lunds data linked below. Using the threeyear retun'l percentage variable, complete pans (a) through (c) below. H
@ Click the icon to view the data.
Average Small — mum 131111 4.4575 1132 ‘
Average Mid»Cap — 12:95 131711 15m: 4.
1 0f 12 v
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. Compute the percentage of values in each category. Civil
httpsu’fwww.mathlrl.cDm/Studeritl'P|ayerTest.aspx?testld=135951238&(enterwin—yi
Quiz: Chapter 5 QLiiz (due June i9) Submit Quiz
i Thisouastion: 1 pt 4 2 or 12 {1 complete) 7 ) TllisQlli2212 pts possible
BE Question Help ﬂ
A studerlt is taking a mu
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!Wearelimitingourinteresttothehomegames
only,soweconditiononH.Outofthehomegames,weare
i
A.
B.
C.
D.
E.
LetAandBbetwoindependentevents.IfP(A)=.5,what
canyousayaboutP(A|B)?
CannotfinditsinceP(B)isnotknown.
CannotfinditsinceP(AandB)isnotknown.
CannotfinditsincebothP(B)andP(AandB)arenot
known.
Itisequalto.5.
Itisequalto.25.
Feedback
Goodjob!If
A.
B.
C.
D.
E.
Oftheathomegames,whatproportionofgameswerewins?
(Note:Someanswersareroundedtotwodecimalplaces.)
.12
.15
.20
.33
.42
Feedback
Goodjob!NowweactuallywanttofindP(W|H).Weapply
thedefinitionofconditionalprobability:
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.
Dividing that in half gives
you the area in one of th
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 Blackboard) to review Chapter 6, Sections 1 and 2. I t
What You Need to Know to Prepare for the Midterm
CO LL APS E
Therewillbebetween30and40questions.Theformatwill
besimilartotheformatofthehomeworkassignments. There
maybequestionsthatrequireyoutouseExceltoperform
somestatisticalwork.Youwillnotberequiredtoco
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:
1)
Z=
()
X
OR
2)
Z=
( X)
n
Formula (1) is the one we u
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, India, China, and Africa that
illustrate what you wri
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
73
1
76
1
93
1
86
1
68
1
68
1
82
1
86
1
62
1
93
1
79
1
90
Average
Ticket$
11.79
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 Probability. I want you to have plenty of time to go step b
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 contributions and
comments build up a database of inform
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.
Also, read Which Z Formula to Use (posted with Homework in
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 - - Red,
White, Green - - but all the colors are the same s
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, and
number of bedrooms of a sample of 200 homes.
For
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 will use the attached dataset
height.weight.xls. Make su
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.
[Instructions for how to do this are given in Learn by
Asurveywasconductedtodeterminethenumberofservings
ofvegetableseaten,perday,byadolescentsintheUnited
States.Thefollowingtableshowstheresults:
Whatisthemodalnumberofvegetableservingseaten,per
day,byadolescentsintheUnitedStates?
A.
B.
C.
D.
E.
Zero
One
Two
T
Question2
Points:10outof10
Hereagainisthehistogramshowingthetimes,inminutes,
requiredfor25ratsinaanimalbehaviorexperimentto
successfullynavigateamaze.
Whichofthefollowingbestdescribestheshapeofthe
histogram?
A.
B.
C.
D.
E.
Symmetric
Leftskewedwithnooutli