• MATH 533 Entire Course
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MATH 533 Week 1 Homework
MATH 533 Week 1 Quiz
MATH 533 Week 2 DQ 1 Case Let's Make a Deal
MATH 533 Week 2 Homework (2 Sets)
MATH 533 Week 2 Quiz
MATH 533 Week 3 DQ 1 Ethics in Statistics Readings and Discussion
MATH 533 Week 3 Homework
MATH 533 Week 3 Quiz (2 Sets)
• MATH 533 Final Exam Set 1
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PuttingPeople2Work has a growing business placing out-of-work
MBAs. They claim they can place a client in a job in their field in less
than 36 weeks. You are given the following data from a sample.
Sample size: 100
Population standard deviation: 5
Sample mean: 34.2
Formulate a hypothesis test to evaluate the claim.
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• MATH 533 Final Exam Set 2
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A Ford Motor Company quality improvement team believes that its
recently implemented defect reduction program has reduced the
proportion of paint defects. Prior to the implementation of the program,
the proportion of paint defects was .There were 45 cars with paint
defects in that sample. Does the sample data provide evidence to
conclude that the proportion of paint defects is now less than .03 (with
a = .01)? Use the hypothesis testing procedure outlined below.
a. Formulate the null and alternative hypotheses.
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• MATH 533 Final Exam Set 2
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Complete the table to the right.
2.
In one university, language incorporated a 10-week extensive
reading program to improve students’ Japanese reading
comprehension. The professors collected 267 books originally written
for Japanese children and required their students to read at least 40 of
them as part of the grade in the course. The books were categorized
into reading levels (color-coded for easy selection) according to length
and complexity. Complete parts a through c.
3.
Convert the relative frequency
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• MATH 533 Week 1 Quiz
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1 Graph the relative frequency histogram for the 300 measurements
summaized in the relative
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Would you expect the data sets that follow to possess relative
frequency distributions that are symmetric, skewed to the right, or
skewed to the left? Explain. Complete parts a through c below.
3.
Consider the following sample of five measurements.
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In one university, language incorporated a 10-week extensive
reading program to improve students’ Japanese reading
comprehension. The professors collected 267 books originally written
for Japanese children and required their
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• MATH 533 Week 2 DQ 1 Case Let's
Make a Deal
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A number of years ago, there was a popular television game show
called Let's Make a Deal. The host, Monty Hall, would randomly select
contestants from the audience and, as the title suggests, he would
make deals for prizes. Contestants would be given relatively modest
prizes and then would be offered the opportunity to risk that prize to
win better ones.
• MATH 533 Week 2 Homework
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The table to the right gives a breakdown of 2,149 civil cases that were
appealed. The outcome of the appeal, as well as the type of trial
(judge or jury), was determined for each case. Suppose one of the
cases is selected at random and the outcome of the appeal and type
of trial are observed.
• MATH 533 Week 2 Quiz
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A country’s government has devoted considerable funding to
missile defense research over the past 20 years. The latest
development is the Space-Based Infrared System (SBIRS), which
uses satellite imagery to detect and track missiles. The probability that
an intruding object (e.g., a missile) will be detected on a flight track by
SBIRS is 0.6. Consider a sample of 10 simulated tracks, each with an
intruding object. Let x equal the number of these tracks where SBIRS
detects the object. Complete parts a through d.
• MATH 533 Week 3 DQ 1 Ethics in
Statistics Readings and Discussion
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1.
A country’s government has devoted considerable funding to
missile defense research over the past 20 years. The latest
development is the Space-Based Infrared System (SBIRS), which
uses satellite imagery to detect and track missiles. The probability that
an intruding object (e.g., a missile) will be detected on a flight track by
SBIRS is 0.6. Consider a sample of 10 simulated tracks, each with an
intruding object. Let x equal the number of these tracks where SBIRS
detects the object. Complete parts a through d.
• MATH 533 Week 3 Homework
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1.
The mean gas mileage for a hybrid car is 56 miles per gallon.
Suppose that the gasoline mileage is approximately normally
distributed with a standard deviation of 3.3 miles per gallon.
2.
The ages of a group of 50 women are approximately normally
distributed with a mean of 49 years and a standard deviation of 5
years. One woman is randomly selected from the group, and her age
is observed.
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• MATH 533 Week 3 Quiz
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1.
The average salary for a certain profession is $97,000. Assume
that the standard deviation of such salaries is $33,500. Consider a
random sample of 54 people in this profession and let x represent the
mean salary for the sample.
2.
Almost all companies utilize some type of year-end performance
review for their employees. Human Resources
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• MATH 533 Week 4 DQ 1 Case
Statistics in Action Medicare Fraud
Investigations
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Read the selection in your textbook pertaining to the Case: Statistics in
Action: Medicare Fraud Investigations; load the data set for the case,
MCFRAUD, into Minitab; answer the question about the case in the
Discussion area; and likewise read and respond to the follow-on
selections in the textbook for the case in the Statistics in Action
Revisited.
• MATH 533 Week 4 Homework
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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 reported on their exposure to
latex gloves.
• MATH 533 Week 4 Quiz
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1.
A random samples of 1020 satellite radio subscribers were
asked, “Do you have a satellite radio receiver in your car?” The survey
found that 102 subscribers did, in fact, have a satellite receiver in their
car.
2.
Each child in a sample of 64 low-income children was
administered a language and communication exam. The sentence
complexity scores had a mean of 7.62 and a standard deviation of
8.91. Complete parts a through d.
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• MATH 533 Week 5 DQ 1 Case
Statistics in Action: Diary of a Kleenex
User
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Read the selection in your text book pertaining to the Case: Statistics
in Action: Diary of a Kleenex® User; load the data set for the case,
TISSUES, into Minitab; answer the question about the case in the
Discussion area; and likewise read and respond to the follow-on
selections in the textbook for the case in the Statistics in Action
Revisited.
• MATH 533 Week 5 Homework
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1.
A study of n = 90,000 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 = 145.72 and s = 18.53. A
professor claims that the true mean number of semester hours of
college credit taken is 145.
• MATH 533 Week 5 Quiz
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1.
A group of professors investigated first-year college students’
knowledge of astronomy. One concept of interest was the Big Bang
Theory of the creation of the universe. In a sample 0f 141 freshman
students, 35 believed that the Big Bang Theory accurately described
the creation of plantery systems. Baesd on this information, is it
correct
• MATH 533 Week 6 Course Project Part
B Hypothesis Testing and Confidence
Intervals
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Using the sample data, perform the hypothesis test for each of the
above situations in order to see if there is evidence to support your
manager’s belief in each case a.-d. In each case use the Seven
Elements of a Test of Hypothesis, in Section 6.2 of your text book,
using the α provided by your Instructor in the Doc Sharing materials,
and explain your conclusion in simple
• MATH 533 Week 6 DQ 1 Case:
Statistics in Action
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Read the Case: Statistics In Action: Legal Advertising—Does It Pay?,
and answer the following questions. (The case is included in your
textbook, Chapter 10.) The data set for the case study is LEGALADV,
and it is available in your textbook resources, so you don't have to
enter the data!
• MATH 533 Week 6 Homework
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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.
2.
The average driving distance
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• MATH 533 Week 6 Quiz
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1.
An association was formed by students to protest labor
exploitation in the apparel industry. There were 18 student “sit-ins” for
a “sweet-free campus” organized at several universities. Data were
collected for the duration (in days) of each sit-in, as well as the number
of student arrests.
• MATH 533 Week 7 Course Project Part
C: Regression and Correlation Analysis
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Generate a scatterplot for the specified dependent variable and the
specified independent variable, including the graph of the "best fit" line.
Interpret.
Determine the equation of the "best fit" line, which describes the
relationship between the dependent variable and the selected
independent variable
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• MATH 533 Week 7 DQ 1 Case:
Statistics in Action: Bid-Rigging in the
Highway Construction Industry
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Read the Case: Statistics in Action: Bid-Rigging in the Highway
Construction Industry, in Chapter 11 of your textbook, and answer the
following questions. The data set, FLAG, for the case study is
available in the publisher’s website, so you don’t need to enter the
data into Minitab by hand.
• MATH 533 Week 7 Homework
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1.
Researchers developed a safety performance function (SPF),
which estimates the probability of occurrence of a crash for a given
segment of roadway.
• MATH 533 Week 7 Quiz
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1.
Data on the average annual precipitation (y), altitude (x1), latitude
(x2), and distance from the coast (x3) for a particular state were
collected for 10 meteorological stations. The observations are listed in
the table below. Consider the first-order model y = + + , + ε.
Complete parts a through c.
2.
Researchers developed a safety performance function (SPF),
which estimates the probability of occurrence of a crash for a given
segment of roadway.
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