MATH 533

MATH-533 Week 6 Quiz – Download To Score An A+ 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...

MATH 533 Week 6 Discussion: Regression Analysis – Download To Score An A+ 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! Summarize what the case is about, and what the variables represent. In this week's Statistics in Action case, "Legal Adv...

Running Head: Course Project Part B MATH-533 Week 6 Course Project, Part B – Hypothesis Testing and Confidence Intervals – Download For An A+ Hypothesis Testing MATH – In the hypothesis testing, two type hypotheses are made, one is called Alternate hypothesis and second is null hypothesis. What would be researched, it is called Alter hypothesis and in against of alternate hypothesis called Null hypothesis. Ans. 1 The aver...

MATH 533 WEEK 5 QUIZ- DOWNLOAD FOR AN A+ GRADE 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...

MATH-533 Week 4 Quiz - Download For Revision And Score An A+ 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....

MATH 533 Week 4 Discussion: Confidence Intervals in Business Consider when businesses might use confidence intervals to estimate values, such as in sales projections, marketing results, and so forth. Describe a business decision that could be helped with confidence intervals. Then create a problem with numbers from which another student could calculate a confidence interval and make a decision. Professor and class, A group of 10 foot surgery patients had a mean weight of 240...

MATH-533 Week 2 Course Project, Part A – Exploratory Data Analysis- Graded An A+ Introduction This study will present a detailed statistical analysis of a given data set from a sam ple of credit customers in the department chain stores AJ Davis. The purpose of the study is to understand the customers in order for AJ Davis to expand their business The study will try to define the correlation between; income, years, and Credit Balance. For example: Is the longer the customer lives at that curren...

MATH 533 Week 2 Addendum: Homework-Quiz Review –Questions Only- Download For Revision 1. Question: If X = {1, 2, 4, 8, 9, 10, 16} and Y = {3, 4, 7, 9, 15}, then X ∩ Y is . 2. Question: If the occurrence of one event precludes the occurrence of another other event, then the two events are . 3. Question: A listing of all elementary outcomes (i.e. the outcomes which cannot be broken down into other events) of an experiment (i.e. a decision making situation under uncertainty) is called a . 4. Qu...

MATH 533 Week 2 Quiz – Questions For Revision 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 th...

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. 5. A university’s language professors incorp...