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School of Public Health at Johns Hopkins Documents (817)

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- chgsc (7).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- contains a few technology assignments that appear at the end of the chapter. These assignments can be completed using any of the statistical software. Miniprojects Each chapter contains a few Miniprojects that appear just before the Decide it Yourself sec
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chgsc (7).docx
2 pages
- chgsc (6).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- indicated by an asterisk (*). Advanced Exercises All chapters (except Chapters 1 and 14) have a set of exercises that are of greater difficulty. Such exercises appear under the heading Advanced Exercises as part of the Supplementary Exercises. Uses and Mi
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chgsc (6).docx
2 pages
- chgsc (58).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- .1379 0.9 .1841 .1814 .1788 .1762 .1736 .1711 .1685 .1660 .1635 .1611 0.8 .2119 .2090 .2061 .2033 .2005 .1977 .1949 .1922 .1894 .1867 0.7 . 2420 .2389 .2358 .2327 .2296 .2266 .2236 .2206 .2177 .2148 0.6 .2743 . 2709 .2676 .2643 .2611 .2578 .2546 .2514 .24
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chgsc (58).docx
2 pages
- chgsc (29).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- least their values are numerical. Categorical regressors are classification variables. Their values or levels are classes (for example names, colors, or something like that), which have no numerical scale. The categorical regressors z1, . . . , zl can be
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chgsc (29).docx
2 pages
- chgsc (37).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- 0.2 0.6 0.1 ri 5.5 7 10 8 3 3 5.5 3 9 1 By summing from these, we obtain the realized values w+ = 13 and w = 42, so w = 13. The corresponding P-probability is P = 0.1562 (MATLAB) and thus, null hypothesis isnt rejected in this case either. MATLAB-command
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chgsc (37).docx
2 pages
- chgsc (27).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- does the 2007 charitable givings of the six companies in Table 1.1. For some elements in a data set, however, the values of the variable may be the same. For example, if we collect information on incomes of households, these households are expected to hav
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chgsc (27).docx
2 pages
- chgsc (40).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- order to perform the test, lets take a sample from each of the populations. These samples are then combined as a pooled sample and its elements are ordered in increasing order, just like in the Mann Whitney test. Especially, duplicate values are handled s
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chgsc (40).docx
2 pages
- chgsc (56).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- number of rows and columns, respectively, in the contingency table df 1R 121C 12 E 1Row total21Column total2 Sample size E np z 1 p 1 p 22 1 p1 p22 sp ^ 1p ^ 2 sp ^ 1p ^ 2 Bp q a 1 n1 1 n2 b p 1 p 2: p x1 x2 n1 n2 or n1p 1 n2 p 2 n1 n2 sp ^ 1p ^ 2 B p 1q
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chgsc (56).docx
2 pages
- chgsc (1).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- thats available 24/7 From multiple study paths, to self-assessment, to a wealth of interactive visual and audio resources, WileyPLUS gives you everything you need to personalize the teaching and learning experience. With WileyPLUS: Find out how to MAKE IT
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chgsc (1).docx
2 pages
- chgsc (4).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- Clear and Concise Exposition The explanation of statistical methods and concepts is clear and concise. Moreover, the style is user-friendly and easy to understand. In chapter introductions and in transitions from section to section, new ideas are related
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chgsc (4).docx
2 pages
- chgsc (20).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- called an element, and the score of each student is called an observation. (These terms are defined in more detail in Section 1.4.) A data set in its original form is usually very large. Consequently, such a data set is not very helpful in drawing conclus
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chgsc (20).docx
2 pages
- chgsc (11).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- University John Haussermann Monterey Peninsular College Shana Irwin University of North Texas Gary S. Itzkowitz Rowan State College Joanna Jeneralczuk University of Massachusetts, Amherst Jean Johnson Governors State University Michael Karelius American R
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chgsc (11).docx
2 pages
- chgsc (42).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- n(n + 1)2 = (12 + 22 + + n 2 ) 1 4 n(n + 1)2 = 1 6 n(n + 1)(2n + 1) 1 4 n(n + 1)2 = 1 12 n(n 2 1), similarly to the other sample. By using these and with a little calculation, we obtain a simpler formula for the rank correlation coefficient rS = 12 n(n2 1
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chgsc (42).docx
2 pages
- chgsc (9).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- Chapter 14: Multiple Regression Chapter 15: Nonparametric Methods Using WileyPLUS This online teaching and learning environment integrates the entire digital textbook with the most effective instructor and student resources to fit every learning style. Wi
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chgsc (9).docx
2 pages
- chgsc (5).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- Definitions of important terms, formulas, and key concepts are enclosed in colored boxes so that students can easily locate them. Cautions Certain items need special attention. These may deal with potential trouble spots that commonly cause errors, or the
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chgsc (5).docx
2 pages
- chgsc (41).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- 3*ones(1,length(Z)]; > P=kruskalwallis([X Y Z],group) P = 0.4354 7.5 Rank Correlation Coefficient [16.5] If two populations are connected element by element, their relation is often represented by a value obtained from the sample, the (Pearson) correlatio
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chgsc (41).docx
2 pages
- chgsc (52).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- 2.8617 1.7578 2.1968 3.0338 1.9984 2.4782 3.3977 33 1.6361 2.0551 2.8515 1.7489 2.1862 3.0200 1.9840 2.4612 3.3754 34 1.6299 2.0478 2.8419 1.7403 2.1762 3.0070 1.9703 2.4451 3.3543 35 1.6239 2.0407 2.8328 1.7323 2.1667 2.9946 1.9574 2.4298 3.3343 36 1.618
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chgsc (52).docx
2 pages
- chgsc (21).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- the survey said that they are influenced by such commercials, 30% said that they are not influenced because they regularly shop at those stores, and 44% said that they are not influenced at all. The chart indicates that there is 1% margin of error. We wil
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chgsc (21).docx
2 pages
- chgsc (50).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- 2.1083 2.5105 3.2951 2.2513 2.6805 3.5176 2.5641 3.0528 4.0044 24 2.0943 2.4940 3.2735 2.2325 2.6582 3.4888 2.5342 3.0169 3.9580 25 2.0813 2.4786 3.2538 2.2151 2.6378 3.4622 2.5060 2.9836 3.9147 26 2.0693 2.4644 3.2354 2.1990 2.6187 3.4375 2.4797 2.9533 3
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chgsc (50).docx
2 pages
- chgsc (15).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- Estimation of a Population Mean: Not Known 354 8.5 Estimation of a Population Proportion: Large Samples 362 Case Study 82 Which Sound Is the Most Frustrating to Hear? 365 Uses and Misuses/Glossary/Supplementary Exercises/Advanced Exercises/SelfReview Test
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chgsc (15).docx
2 pages
- chgsc (31).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- be plotted as a function of order of experiments, in other words the points (i, ei) (i = 1, . . . , n), and examine the plot similarly as before. In the example in section 6.2 the residual vs. the predicted respond is quite usual (the upper plot), as well
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chgsc (31).docx
2 pages
- chgsc (55).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- tsx where sx s1n x zsx sx s1n m x p: z p p sp ^ nN .05: sp p ^ 1pqn p: mp ^ p p xn JWCL216_fgatefold_001-008.qxd 12/7/09 7:34 PM Page 2 Chapter 10 Estimation and Hypothesis Testing: Two Populations Mean of the sampling distribution of Confidence interval
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chgsc (55).docx
2 pages
- chgsc (53).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- 100 Chapter 3 Numerical Descriptive Measures Mean for ungrouped data: xN and Mean for grouped data: mfN and where m is the midpoint and f is the frequency of a class Median for ungrouped data Value of the middle term in a ranked data set Range Largest val
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chgsc (53).docx
2 pages
- chgsc (25).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- crackdown on aggressive driving by 150 police agencies in Maryland, Virginia, and Washington, D.C. People are trying to get to too many places and they dont allow themselves the time to get where they need to be. Amanda Cooke, 21, a computer teacher in Ru
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chgsc (25).docx
2 pages
- chgsc (34).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- > q0 or H1 : q(f0) 6= q0. Lets denote by f a value such that exactly q(f) = q0. The null hypothesis can then be written in the form H0 : f = f0 and the above mentioned alternative hypotheses are correspondingly of the form H1 : f0 < f , H1 : f0 > f or H1
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chgsc (34).docx
2 pages
- chgsc (19).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- Colombia to the United States in 2005. 5. According to a 2008 SHRM Employee Benefit Survey, 3% of large companies allow pets at work. 6. According to the Centers for Disease Control and Prevention, flu costs the United States about $87 billion a year in t
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chgsc (19).docx
2 pages
- chgsc (48).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- A more modest goal would for example be just a confidence interval for the statistic. 8.3 Monte Carlo Integration Nowadays stochastic simulation is often called Monte Carlo simulation, although the actual Monte Carlo method is a numerical integration meth
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chgsc (48).docx
2 pages
- chgsc (54).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- ranked data set KEY FORMULAS Prem S. Mann Introductory Statistics, Seventh Edition JWCL216_fgatefold_001-008.qxd 12/11/09 12:18 AM Page 1 Joint probability of two mutually exclusive events: Addition rule for mutually nonexclusive events: Addition rule for
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chgsc (54).docx
2 pages
- chgsc (49).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- approximation is 4.8429. In fact, the volume V can also be obtained with the Monte Carlo method. This procedure is: 1. There are two counters n and l in the method. Initially n = l = 0. CHAPTER 8. STOCHASTIC SIMULATION 91 2. Generate a random point r from
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chgsc (49).docx
2 pages
- chgsc (3).docx
- School of Public Health at Johns Hopkins
- Environmental Health 264
- ECON 264 - Fall 2011
- Consequently, the study of statistical methods has taken on a prominent role in the education of students from a variety of backgrounds and academic pursuits. From the first edition, the goal of Introductory Statistics has been to make the subject of stat
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chgsc (3).docx