MATH 533 RANK Education is Power/math533rank.com

MATH 533 RANK Education is Power/math533rank.com

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 MATH 533 Week 3 DQ

1 Ethics in Statistics Readings and

Discussion MATH 533 Week 3 Homework MATH 533 Week

3 Quiz (2 Sets)

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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. H0 must always have equal sign, lt

36 weeks

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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) a. b. Median of the above

sales calls means that if all the sales calls

data points are arranged in an ascending order,

then 91 Nos. of calls made would fall in the

middle. So, there are as 8 sales calls

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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. 4. Consider

the stem-and-leaf display to the right. 5.

MINITAB was used to generate the histogram to the

right.

MATH 533 RANK Education is Power/math533rank.com

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

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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).

MATH 533 RANK Education is Power/math533rank.com

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. 3. Resource Reservation

Protocol (RSVP) was originally designed to

establish signaling links for stationary

networks. RSVP was applied to mobile wireless

technology. A simulation study revealed that the

transmission delay (measured in milliseconds) of

an RSVP linked wireless device has an approximate

normal distribution with mean µ 49.5

milliseconds and milliseconds. Complete parts a

and b.

MATH 533 RANK Education is Power/math533rank.com

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 lenient

or too harsh. According to HR, if you have this

tendency, consider using a normal

distribution-----10 of employees (rated)

exemplary, 20 distinguished, 40 competent, 20

marginal, and 10 unacceptable Suppose you are

rating an employees performance on a scale of 1

(lowest) to 100 (highest). Also,

MATH 533 RANK Education is Power/math533rank.com

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?

MATH 533 RANK Education is Power/math533rank.com

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). 2. The white wood material

used for the roof of an ancient temple is

imported from a certain country. The wooden roof

must withstand as much as 100 centimeters of snow

in the winter. Architects at a university

conducted a study to estimate the mean bending

strength of the white wood roof. A sample of 25

pieces of the imported wood were tested and

yielded the statistics x 74.9 and s 10.8 on

breaking strength of the white wood with a 99

confidence interval. Interpret the result.

MATH 533 RANK Education is Power/math533rank.com

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. 3. In a sample of 60 stores of

a certain company, 50 violated a scanner accuracy

standard. It has been demonstrated that the

conditions for a valid large-sample confidence

interval for the true proportion of the stores

that violate the standard were not met. Determine

the number of stores that must be sampled in

order to estimate the true proportion to within

0.05 with 95 confidence using the large-sample

method.

MATH 533 RANK Education is Power/math533rank.com

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?

MATH 533 RANK Education is Power/math533rank.com

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

MATH 533 RANK Education is Power/math533rank.com

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?

MATH 533 RANK Education is Power/math533rank.com

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. Follow this up

with computing confidence intervals (the required

confidence level will be provided by your

Instructor) for each of the variables described

in a.-d., and again interpreting these intervals.

MATH 533 RANK Education is Power/math533rank.com

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.

MATH 533 RANK Education is Power/math533rank.com

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.

MATH 533 RANK Education is Power/math533rank.com

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. 2.

A group of researchers developed a new method for

ranking the total driving performance of golfers

on a tour. The main average driving distance

(yards) and driving accuracy (percent of drives

that land in the fairway). They construct a

standard accuracy (y) to driving distance (x). A

MINITAB printout with prediction and confidence

intervals for a driving distance.

MATH 533 RANK Education is Power/math533rank.com

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. Determine the equation of the "best

fit" line, which describes the relationship

between the dependent variable and the selected

independent variable. Determine the coefficient

of correlation. Interpret.

MATH 533 RANK Education is Power/math533rank.com

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.

MATH 533 RANK Education is Power/math533rank.com

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. 3. 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.

MATH 533 RANK Education is Power/math533rank.com

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. 3. The data shown below

represent the annual earnings (y), age (x1), and

hours worked per day (x2) for a random sample of

street vendors in a certain city. Complete parts

a through f.

MATH 533 RANK Education is Power/math533rank.com