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MATH 533 Entire Course (New) FOR MORE CLASSES

VISIT www.math533rank.com 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

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MATH 533 Final Exam Set 1 (New) FOR MORE CLASSES

VISIT www.math533rank.com 1. (TCO D)

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. (Points

10) Ans. b.

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MATH 533 Final Exam Set 2 (New) FOR MORE CLASSES

VISIT www.math533rank.com 1. (TCO A) Seventeen

salespeople reported the following number of

sales calls completed last month. 72 93

82 81 82 97

102 107 119 86 88 91

83 93 73 100

102 a. Compute the mean, median, mode,

and standard deviation, Q1, Q3, Min, and Max for

the above sample data on number of sales calls

per month. b. In the context of this situation,

interpret the Median, Q1, and Q3. (Points 33)

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MATH 533 Week 1 Homework (New) FOR MORE CLASSES

VISIT www.math533rank.com 1. 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 bar

graph into a Pareto diagram. Interpret the graph.

Choose the correct graph below.

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MATH 533 Week 1 Quiz (New) FOR MORE CLASSES

VISIT www.math533rank.com 1. Graph the

relative frequency histogram for the 300

measurements summarized in the relative frequency

table to the right. 2. 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. 3, 4, 5, 2, 6 4. MINITAB was

used to generate the histogram to the right.

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MATH 533 Week 2 DQ 1 Case Let's Make a Deal

(New) FOR MORE CLASSES VISIT www.math533rank.com

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. Suppose

you are a contestant on this show. Monty has just

given you a free trip worth 500 to a locale that

is of little interest to you. He now offers you a

trade Give up the trip in exchange for a gamble.

On the stage are three curtains, A, B, and C.

Behind one of them is a brand-new car worth

45,000. Behind the other two curtains, the stage

is empty.

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MATH 533 Week 2 Homework (2 Sets) (New) FOR MORE

CLASSES VISIT www.math533rank.com 1. 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. 2. Zoologists investigated the

likelihood of fallow deer bucks during the mating

season. Researchers recorded 163 encounters

between two bucks, one of which clearly initiated

the encounter with the other. In these 163

initiated encounters, the zoologists kept track

or not a physical contact fight occurred and

whether the initiator ultimately won or lost the

encounter. Suppose we select one of these 163

encounters and note the outcome (fight status and

winner). Complete parts a through c.

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MATH 533 Week 2 Quiz (New) FOR MORE CLASSES

VISIT www.math533rank.com 1. A countrys

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. 2. According to a consumer survey of

young adults (18-24 years of age) who shop

online, 18 own mobile phone with internet

access. In a random sample of 200 young adults

who shop online, let x be the numbers who own a

mobile phone with internet access.

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MATH 533 Week 3 DQ 1 Ethics in Statistics

Readings and Discussion (New) FOR MORE CLASSES

VISIT www.math533rank.com Why is it important

to study ethics in statistics? Have you seen

statistics misused? Without naming specific

companies or people, can you provide

examples? Please find (on the Internet or from

the Keller library) and post an article regarding

ethics and statistics. Please attach the article,

or provide its link in your post, together with a

brief summary of the article in your own words.

Be sure to use quotation marks around any words

taken directly from the article (not to do so

constitutes plagiarism). Then, in a separate

post, review one or more articles posted by other

students and provide the other student or

students with your reflections (dont just agree

or disagree).

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MATH 533 Week 3 Homework (New) FOR MORE CLASSES

VISIT www.math533rank.com 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 (2 Sets) (New) FOR MORE

CLASSES VISIT www.math533rank.com 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 (HR) at a universitys Health

Science Center provides guidelines for

supervisors rating their subordinates. For

example, raters are advised to examine their

ratings for a tendency to be either too

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MATH 533 Week 4 DQ 1 Case Statistics in Action

Medicare Fraud Investigations (New) FOR MORE

CLASSES VISIT www.math533rank.com 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. What is a point estimate of the

mean overpayment?

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MATH 533 Week 4 Homework (New) FOR MORE CLASSES

VISIT www.math533rank.com 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. Summary

statistics for the number of latex gloves used

per week are x 19.4 and s 12.3. Complete

parts (a) (d).

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MATH 533 Week 4 Quiz (2 Sets) (New) FOR MORE

CLASSES VISIT www.math533rank.com 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 (New) FOR MORE CLASSES

VISIT www.math533rank.com 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. How would you briefly summarize the

case, and the data that was generated?

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MATH 533 Week 5 Homework (New) FOR MORE

CLASSES VISIT www.math533rank.com 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. 2.

A study of n 59 hospital employees found

that the number of latex gloves used per week by

the sampled worker is summarized by x 21.2 and

s 13.1. Let µ represent the mean number of

latex gloves used per week by all hospital

employees. Consider testing

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MATH 533 Week 5 Quiz (New) FOR MORE CLASSES

VISIT www.math533rank.com 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

at the a 0.01 level of significance to state

that more than 20 of all freshman college

students believe the Big Bang theory describes

the creation of planetary systems?

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MATH 533 Week 6 Course Project Part B Hypothesis

Testing and Confidence Intervals (SALESCALL

Project) (New) FOR MORE CLASSES VISIT

www.math533rank.com Your Instructor will

provide you with four manager speculations,

a.-d., in the Doc Sharing file. 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 managers 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 a provided by your

Instructor in the Doc Sharing materials, and

explain your conclusion in simple terms. Also be

sure to compute the p-value and interpret.

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MATH 533 Week 6 DQ 1 Case Statistics in Action

Legal AdvertisingDoes It Pay? (New) FOR MORE

CLASSES VISIT www.math533rank.com Read the

Case Statistics In Action Legal

AdvertisingDoes 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! Summarize what the case is about,

and what the variables represent.

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MATH 533 Week 6 Homework (New) FOR MORE

CLASSES VISIT www.math533rank.com 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

(yards) and driving accuracy (percent of drives

that land in the fairway) for 8 golfers are

recorded in the table to the right. Complete

parts a through e below. 3. Many

entrepreneurs have donated money to various

causes. Data on the total amount pledged and

remaining net worth for the 10 top donors are

given in the table. Complete parts a through d.

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MATH 533 Week 6 Quiz (New) FOR MORE CLASSES

VISIT www.math533rank.com 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.

The data for 5 sit-ins in which there was at

least one arrest and the results of a simple

linear regression are found below. Let y be the

number of arrests and x be the duration. Complete

parts a through d.

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MATH 533 Week 7 Course Project Part C Regression

and Correlation Analysis (SALESCALL Project)

(New) FOR MORE CLASSES VISIT

www.math533rank.com Your Instructor will

specify for you the dependent variable and the

independent variables in your Case and data.

Using MINITAB perform the regression and

correlation analysis for the data by answering

the following. Generate a scatterplot for the

specified dependent variable and the specified

independent variable, including the graph of the

"best fit" line. Interpret.

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MATH 533 Week 7 DQ 1 Case Statistics in Action

Bid-Rigging in the Highway Construction Industry

(New) FOR MORE CLASSES VISIT

www.math533rank.com 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 publishers website, so you dont need to

enter the data into Minitab by hand. What is this

case about? Describe the key variables.

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MATH 533 Week 7 Homework (New) FOR MORE

CLASSES VISIT www.math533rank.com 1.

Researchers developed a safety performance

function (SPF), which estimates the probability

of occurrence of a crash for a given segment of

roadway. Using data on over 100 segments of

roadway, they fit the model E(y) , where

y number of crashes per three years, roadway

length (miles), and average annual daily

traffic (number of vehicles) AADT. 2. The

data shown below represent the annual earnings

(y), age (, and hours worked per day (x2) for a

random sample of street vendors in a certain.

Complete parts a through f.

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MATH 533 Week 7 Quiz (New) FOR MORE CLASSES

VISIT www.math533rank.com 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 , e. 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. Using data

on over 100 segments of roadway, they fit the

model E(y) , where y number of crashes

per three years, x1 roadway length (miles), and

x2 average annual daily traffic (number of

vehicles) AADT.

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