Homework 02
Elementary Statistics
5.1) A) E(x) = (50 x 0.375) + (65 x 0.15) + (70 x 0.225) + (75 x 0.05) + (90 x 0.20) = 66 B)
Variance=14.57738 C) Standard Deviation=212.5 s=
( xm)2
n1
5.2) A)
x
P(x)
0
0.5
6
0.2
1
0.1
3
0.0
7
0.0
3
1
2
3
4
Total
xP(x
)
Homework 3
Elementary Statistics
9.1 A)
3.0
25
x 0.025=3+ z 0.025
H A : >3H o : 3
;
; z=1.96 B)
x 0.05=3z 0.05
9.0
30 ;
6.5
H A : >3H o 3 ; t=-1.6991 C) x 0.02/ 2=3 z 0.02/ 2
H A : =3H o : 3 ; t=
51 ;
2.4033 D)
x 0.10/ 2=3 z 0.10 /2
3.8
H A : =3H o : 3
;
SandifordCMIS7005-2
1
NORTHCENTRAL UNIVERSITY
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MIS7004-8- Week 1 Discussion
As technology continues to evolve, certain protocols need to be in place to ensure
that all functions are operating appropriately. Businesses today must take careful
note of what they release to their working environment. What
Your license will expire in 14 days.
Your temporary usage period for IBM SPSS Statistics will expire in 14
days.
GET
FILE='/Users/MyNewMacBook/Downloads/dsus4data/ChickFlick.sav'.
Warning # 5281. Command name: GET FILE
SPSS Statistics is running in Unicod
ALPHA
alpha
BETA
beta
GAMMA
gamma
DELTA
delta
EPSILON
epsilon
ZETA
zeta
ETA
eta
THETA
theta
IOTA
iota
KAPPA
kappa
LAMBDA
lambda
MU
mu
NU
nu
XI
xi
OMICRON
omicron
PI
pi
RHO
rho
SIGMA
sigma
TAU
tau
UPSILON
upsilon
PHI
phi
CHI
chi
PSI
psi
OMEGA
omega
STATE OF BAHRAIN
GEOGRAPHY
With an area of 741 sq km Bahrain is
slightly bigger than Singapore(699 sq
km) or 3.5 times the size of
Washington, DC. An archipelago of 33
islands in Persian Gulf located off the
eastern coast of Saudi Arabia.
CULTURE
Arabi
Dashequa Wade
Professor Long
ENG 111
September 27, 2016
Whats your favorite treat to bake? Whats your favorite cake flavor? There are hundreds of cake
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bur
Dashequa Wade
Professor Burrus
OST 286 N
September 27, 2016
1. Many inspirational speakers attempt to take the audience on an emotional journey. They try to
erase cynicism and complacency and get employees fired up about their jobs. Do you think
organizat
Message to Garcia
In the message to Garcia by Elbert Hubbard there was a guy name Rowan who was in
charge of delivering a message to Garcia. Rowan did all of the right duties that he had to do
except the easiest which was to ask Where is he at? Hubbard th
Divine Bembury
Buad 200-01
3/10/15
The business periodical that I have chosen comes out of Forbes. This particular article main focus
touches up on why google didnt seem to have much success when launching their new product Google
Glass. Google was certai
Dashequa Wade
Professor Burrus
OST 286 N
September 22, 2016
Identify at least one strong attitude you have for or against an event, a person, or a thing. How did you
acquire this attitude? Is it shared by any particular group of people? Do you spend time
1. The first step in determining your most preferred communication style is to identify where you
fall on the dominance continuum. Do you tend to be low or high on this scale?
I tend to be low dominance on the dominance communication style model.
2. The s
Dashequa Wade
Professor Long
English 111 N2
September 6, 2016
My Own Dream Home
If I could build my own dream home I would build it on one of the Hawaiian Islands
named Oahu. It would be sitting on a beautiful pure white sandy beach with a clear light blu
Divine Bembury
Financial Accounting-ACCT 210-02
Dr. Sharma
March 20, 2013
Annual Report Project
Background Information
Sony is known worldwide as one of the most popular electronic companies around the
world. The company was founded in Japan after World W
Qualitative research on managers
The two IT organizations that have been taken in to consideration in the research are IBM and
Accenture. Five IT managers of each of these organizations have been interviewed through five
relevant questions. Relevant data
Standard Normal Deviation* Has a mean of 0 and a standard deviation of 1
Statistic* A numerical measurement describing some characteristic of a sample.
The science of collecting, analyzing, and interpreting data. "Methods used to
summarize, analyze, or ma
biased any systematic failure of a sampling method to represent its population
strata when groups of experimental units are similar, they are gathered into these
groups
census a sample that consists of the entire population
cluster sampling design in whic
1st Quartile* 25th percentile of the observation below it
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2nd Quartile 50th percentile of a data set, the Median
Play audio for this term
3rd Quartile 75th percentiles of a data set
68-95-99.7 Rule* In all score-based normal curve
Interquartile range distance between the first and third quartiles, aka the distance
between the 75th percentile and the 25th percentile.
Matched Pairs The design of an experiment for paired comparison in which the
assignment of subjects to treatment or c
Another useful pictorial is the stemandleaf. It is similar to a histogram in that it
shows the range of data, where the data are concentrated, if there are any outliers
(occasional extremely high or extremely low scores), and the general shape of the
dist
Control Group* A group that does not receive the treatment
Convenience Sample* A sample where the subject are selected, in part or in whole,
at the ease of the researcher. A statistical method of drawing representative data by
selecting people because of
Positively Associated When the scatter plot gives you a positive slope
Quantitative variable They represent a measurable quantity
Questionnaire Bias The way a question is asked to influence the response of the
person
Randomize Subjects are selected random
Displaying categorical data in simple graphical formats such as bar charts and pie
charts
Displaying quantitative variable data in simple graphical formats such as dot plots,
frequency histograms, and stemandleaf plots
Using box plots to display numerical
Making predictions is only one use of statistics. Suppose you have recently
developed a new headache/pain remedy that you call AcheAway. Should you
produce AcheAway in quantity and make it available to the public? That would
depend upon, among other facto
Learning about the different kinds of statistics
Learning about variables
Understanding the steps in statistical reasoning
Learning several uses for statistical reasoning
For many people, statistics means numbersnumerical facts, figures, or
information. S