Tony Tony Soprano is responsible for a variety of investments and on-going projects that generate large cash flows. Mr Soprano must constantly make difficult decisions regarding long-term strategy,...
























































































































































































Tony
Tony Soprano is responsible for a variety of investments and on-going projects that generate large cash flows.
Mr Soprano must constantly make difficult decisions regarding long-term strategy, marketing tactics, organizational
goals, and human resources management. Employees, sub-contractors, competitors, and seemingly innocent bystanders
must occasionally be offered a 'severance package' when they have outlived their usefulness to the organization.
Tony and his associates generally refer to this style of human resource management as "Whacking". The data set
details the wieght of individuals who recently 'got whacked'. Assume that these persons are a random sample of all
persons who have been or will someday be 'whacked'. Further assume that the weights listed include all body parts
and fluids. Estimate the mean weight of the population of whackees with 99% confidence.
See the answer sheet for each part of this problem.
Carmela
Carmela Soprano is Tony's wife and the mother of their two children. She works hard to remain blissfully unaware of
the details surrounding her husband's business dealings. Mrs. Soprano has a shoe obsession. She is constantly buying
shoes that are, "Just too perfect to pass up." Entire rooms and rented storage units are filled with Carmela's shoe
collection. Recognizing that she might have a serious problem, Mrs. Soprano decides to estimate the average cost
for her shoes. Luckily, she has very meticulously taped the sales slip to each shoe box. She selects a random sample
of shoe prices as the basis of her estimate. See the answer sheet for each part of this problem.
Dr. Melfi
Jennifer Melfi is a psychiatrist who is also Tony's shrink. Having a charismatic and sometimes violent sociopath for a
patient has been very difficult for Dr. Melfi, but she has also gained some new professional insights through her
experience in treating Mr. Soprano. One benefit of the experience is that Dr. Melfi has created a new scheme
for classifying people according to their 'Need for Dominance' and their 'Amount of Inner Anger'. As part of her initial
research into this theory, Dr. Melfi has administered a brief questionaire to a large random sample of volunteers. The data
details the breakdown of how each questionnaire respondent was classified according to Dr. Melfi's Dominance/Anger
theory. Use this contingency table to make the estimates of proportion as specified on the answer sheet. Assume
that her questionnaire respondents are a random sample of adult American males.
Christopher
Christopher Soprano is Tony's trusted nephew. Tony delegates a wide variety of sensative tasks to Christopher. Christopher
is also a heroin addict. Due to his position and affluence, he is able to buy heroin in bulk quantities directly from
established suppliers. Lately, Christopher is concerned that his regular supplier is providing heroin of sub-standard purity.
The data set details the purity of random samples of heroin from his latest bulk purchase. Absolutely pure
heroin would have a purity value of 1.00. Lower values indicate lower purity. The supplier claims that the merchandise
is of the highest quality (.90 purity). Compare Christopher's sample mean to the .90 benchmark. You will tolerate
up to a .05 probability of a Type I error. Is the sample mean significantly less than the null value?
"Junior"
Corrado "Junior" Soprano has been the focus of repeated racketeering, fraud and tax evasion investigations by the FBI
and other law enforcement organizations. Junior is Tony's uncle (the brother of Tony's mother) and his health is
failing due to old age. Although Junior thinks he is still the boss, Tony is truly the individual who wields the greatest
authority in the family. Junior is examining income from various family operations to guage whether the mean cash flow
is increasing or decreasing. He suspects the the mean monthly take is different from the historical average. Junior
will base his conclusion on a large random sampling of separate income sources. The data set details the size, mean,
and standard deviation of Corrado's sample. The historical monthly average is also listed. Is the monthly cash "take"
significantly different than the historical mean? Use an alpha of .01. Also, find and interpret the observed significance
(p-value) of the test.
Pauli
Paulie Walnuts is a "heavy". He ensures that Tony's management directives are carried out and also enforces the
family's strict code of professional ethics. Mr. Walnuts displays a unique sense of personal style in his grooming
and choice of wardrobe. Recently, Paulie has been wrestling with the idea of maybe getting a total makeover to
update his image and make himself more attractive to "classy broads". To help himself make the this decision he takes
a random sample of opinion from adult females. The data set details the responses he received to the question, "Hey
lady, you think I need a new haircut and suits, or should I just forget about it?" If the data indicates significantly
more than half the women said "Yes", Pauli will get the total makeover. Use an alpha of .10 and see if the proportion
of females who think he should change his style is significanlty greater than .50.
Anthony, Jr.
Anthony Soprano, Jr. is Tony's rebellious adolescent son. He thinks all his dad's organized crime stuff is boring and
stupid. Since he wants to have an exciting and glamorous career, Anthony Jr. wants to be a statistician. Based on the
information given, help Anthony Jr. find the appropriate critical values, p-values, and test outcomes.
May 14, 2022
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