An AJ Davis store manager is requesting to identify some concerns of the customers database by
using the Credit Balance (X) vs the Income (Y).
1) The scatterplot is to show the relationship between the Credit Balance (X) vs the Income (Y).
The line in the
1. Health care workers who use latex gloves with glove powder on a daily basis are particularly susceptible to
developing a latex allergy. Each in a sample of 43 hospital employees who were diagnosed with a latex allergy based
on a skin-prick test reporte
Week 3 Lecture
Math 533
Applied Managerial Statistics
B. Heard
(These may not be copied, reproduced,
or posted in an online classroom
without my permission. Students may
download one copy for personal use.)
Week 3 Math 533
Week 3 Math 533
Graph > Probabi
Week 2 Lecture
Math 533
Not to be posted or stolen,
etc. without my permission.
Students can download a copy
for their own personal use.
Week 2 Math 533 Lecture
This first problem is similar to the first few
you will see on your homework this week
on con
Project B
HypothesisTestingandConfidenceintervals
WajmaNasri
Math533
ProfessorBrown
February20,2015
a).Wehaveaclaimfortheaveragemeanannualincome,whereitisgreaterthan$45000.
Now,wewilluseastheaveragemeanofpopulationincome,andfollowingwith as the
income ave
AJ Davis Department Store
Introduction
The following information will show whether or not the managers speculations are correct. He
wants to know the following information: Is the average mean less than $50,000? Does the true
population proportion of cust
1. A study of n=120,000 first-time candidates for an exam found that the number of semester hours of
college credit taken by the sampled candidates is summarized by x=148.59 and
s=17.45.
A professor claims that the true mean number of semester hours of co
Week 6 Quiz
1.A MINITAB printout relating the size of the diamond (number of carats) to the asking price (dollars) for
308
diamonds is shown below. Complete parts a through e.
The regression equation is
PRICE=2297+11590
CARAT
Predictor
Coef
SE Coef
T
P
Co
Course Project Part C
Course Project Part C
Regression and Correlation Analysis
1
Course Project Part C
1. Generate a scatterplot for INCOME ($1000) versus CREDIT BALANCE ($),
including the graph of the best fit line.
Each point in the scatter plot repres
Suppose data collected by observers at randomly selected intersections across the country revealed that
in a sample of 80 drivers, 48were using their cell phone.
a. Give a point estimate of p, the true driver cell phone use rate (that is, the true proport
Math 533
Course Project- Part A
A) Introduction
The data set provides information regarding 50 customers who were selected by AJ
Davis, for data collection based on the following variables: income, family size, and years in
current residence and credit ba
Course Project Part B
Course Project Part B
Hypothesis Testing and Confidence Intervals
Professor Se Kim
1
Course Project Part B
The AJ Davis manager has speculated certain factors. We will consider the elements
of the test hypotheses when determining our
1. 2.
3
Suppose 80% of kids who visit a doctor have a fever, and 10% of kids with a fever have sore
throats. What's the probability that a kid who goes to the doctor has a fever and a sore throat?
The general multiplication rule for compound events is giv
Math 533
Week 6 Homework Examples
Math 533 Week 6 Lecture
Week 6 Homework Examples
Ex 1
Week 6 Homework Examples
The random error
is zero (not included).
y-intercept
slope
Week 6 Homework Examples
Why?
0 is outside of the range of the sample data. It also