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### MATH 533 Entire Course (New)

### MATH 533 Final Exam Set 1 (New)

### MATH 533 Final Exam Set 2 (New)

### MATH 533 Week 1 Homework (New)

### MATH 533 Week 1 Quiz (New)

### MATH 533 Week 2 DQ 1 Case Let's Make a Deal (New)

### MATH 533 Week 2 Homework (2 Sets) (New)

### MATH 533 Week 2 Quiz (New)

### MATH 533 Week 3 DQ 1 Ethics in Statistics Readings and Discussion (New)

### MATH 533 Week 3 Homework (New)

### MATH 533 Week 3 Quiz (2 Sets) (New)

### MATH 533 Week 4 DQ 1 Case Statistics in Action Medicare Fraud Investigations (New)

### MATH 533 Week 4 Homework (New)

### MATH 533 Week 4 Quiz (2 Sets) (New)

### MATH 533 Week 5 DQ 1 Case Statistics in Action: Diary of a Kleenex User (New)

### MATH 533 Week 5 Homework (New)

### MATH 533 Week 5 Quiz (New)

### MATH 533 Week 6 Course Project Part B Hypothesis Testing and Confidence Intervals (SALESCALL Project) (New)

### MATH 533 Week 6 DQ 1 Case: Statistics in Action: Legal Advertising—Does It Pay (New)

### MATH 533 Week 6 Homework (New)

### MATH 533 Week 6 Quiz (New)

### MATH 533 Week 7 Course Project Part C: Regression and Correlation Analysis (SALESCALL Project) (New)

### MATH 533 Week 7 DQ 1 Case: Statistics in Action: Bid-Rigging in the Highway Construction Industry (New)

### MATH 533 Week 7 Homework (New)

### MATH 533 Week 7 Quiz (New)

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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)

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(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.

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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

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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.

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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.

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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.

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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.

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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.

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Why is it important to study ethics in statistics? Have you seen statistics misused? Without naming specific companies or people, can you provide examples?

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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.

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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.

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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.

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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. 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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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.

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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.

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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.

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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 at the α = 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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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

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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!

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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.

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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.

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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.

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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.

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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. 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.

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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.

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