Introductory StatisticsAcademic Press, 11 июл. 2005 г. - Всего страниц: 832 In this revised text, master expositor Sheldon Ross has produced a unique work in introductory statistics. The text's main merits are the clarity of presentation, contemporary examples and applications from diverse areas, and an explanation of intuition and ideas behind the statistical methods. To quote from the preface, "It is only when a student develops a feel or intuition for statistics that she or he is really on the path toward making sense of data." Ross achieves this goal through a coherent mix of mathematical analysis, intuitive discussions and examples. * Ross's clear writing style leads students easily through descriptive and inferential statistics * Hundreds of exercises assess students' conceptual and computational understanding * Real data sets from current issues draw from a variety of disciplines * Statistics in Perspective highlights demonstrate real-world application of techniques and concepts * Historical Perspectives sections profile prominent statisticians and events * Chapter Introductions pose realistic statistical situations * Chapter Summaries and Key Terms reinforce learning * A detachable Formula Card includes frequently used tables and formulas to facilitate studying * Enclosed CD-ROM contains programs that can be used to solve basic computation problems New in this Edition: * Dozens of new and updated examples and exercises * New sections on: assessing the linear regression model by analyzing residuals; quality control; counting principles; Poisson random variables * Detailed edits and enhancements based on users' feedback * A computerized test bank, plus updates to other ancillaries Ancillaries: * Instructor's Manual * Student Solutions Manual (ISBN: 0120885514) * Printed Test Bank * Computerized Test Bank * Instructor's web site with additional online materials |
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Стр. 21
... Solution (a) The 37 winning scores range from a low of 270 to a high of 289. This is the relative frequency table: Winning score Frequency f Relative frequency f/37 270 1 0.027 271 1 0.027 272 1 0.027 274 1 0.027 Winning score Frequency ...
... Solution (a) The 37 winning scores range from a low of 270 to a high of 289. This is the relative frequency table: Winning score Frequency f Relative frequency f/37 270 1 0.027 271 1 0.027 272 1 0.027 274 1 0.027 Winning score Frequency ...
Стр. 32
... Solution Since the data range from a low value of 12.4 to a high of 21.9, let us use class intervals of length 1.5, starting at the value 12. With these class intervals, we obtain the following frequency table. Class intervals Frequency ...
... Solution Since the data range from a low value of 12.4 to a high of 21.9, let us use class intervals of length 1.5, starting at the value 12. With these class intervals, we obtain the following frequency table. Class intervals Frequency ...
Стр. 71
... Solution The sample mean is the average of the five data values. Thus, x x n 28.2 28.3 28.4 28.5 29.0 5 142.4 5 Note from this example that whereas the sample mean is the average of all the data values, it need not itself be one of them ...
... Solution The sample mean is the average of the five data values. Thus, x x n 28.2 28.3 28.4 28.5 29.0 5 142.4 5 Note from this example that whereas the sample mean is the average of all the data values, it need not itself be one of them ...
Стр. 72
... Solution Rather than directly adding the preceding numbers, first we subtract 280 from (that is, add c 280 to) each one to obtain the following transformed data: 0,4,0, 3, 2, 1, 5, 1,3, 2 The sample mean of these transformed data, call ...
... Solution Rather than directly adding the preceding numbers, first we subtract 280 from (that is, add c 280 to) each one to obtain the following transformed data: 0,4,0, 3, 2, 1, 5, 1,3, 2 The sample mean of these transformed data, call ...
Стр. 73
... Solution Since the original data set consists of the 6 values 3,3,4, 5, 5,5 it follows that the sample mean is 3 3 4 5 5 5 x 25 6 3 2 4 1 5 3 6 6 That is, the sample mean of the number of suits sold daily is 4.25. In Example 3.3 we have ...
... Solution Since the original data set consists of the 6 values 3,3,4, 5, 5,5 it follows that the sample mean is 3 3 4 5 5 5 x 25 6 3 2 4 1 5 3 6 6 That is, the sample mean of the number of suits sold daily is 4.25. In Example 3.3 we have ...
Содержание
1 | |
15 | |
69 | |
4 Probability | 143 |
5 Discrete Random Variables | 209 |
6 Normal Random Variables | 259 |
7 Distributions of Sampling Statistics | 295 |
8 Estimation | 329 |
11 Analysis of Variance | 493 |
12 Linear Regression | 525 |
13 ChiSquared GoodnessofFit Tests | 593 |
14 Nonparametric Hypotheses Tests | 633 |
15 Quality Control | 671 |
Appendices | 701 |
Answers to OddNumbered Problems | 737 |
795 | |
9 Testing Statistical Hypotheses | 385 |
10 Hypothesis Tests Concerning Two Populations | 437 |
Introductory Statistics Quick Reference Card | 810 |
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Часто встречающиеся слова и выражения
95 percent confidence average number binomial random variable central limit theorem characteristic compute conditional probability confidence interval estimate control chart data set data values degrees of freedom denote the number determine equal error event Example expected value Find the probability Find the sample following data frequency histogram frequency table given H0 is true histogram independent instance Let X denote level of significance linear regression median normal population normal random variable normally distributed null hypothesis obtain outcomes P(A B pair percent confidence interval percent level percentage percentile population mean Prob Problems Program proportion random sample randomly chosen reject H0 otherwise reject the hypothesis relative frequency result sample correlation coefficient sample mean sample standard deviation sample variance scatter diagram score selected significance level significance-level Solution stem-and-leaf plot Suppose test H0 test statistic test the hypothesis Var(X variable with parameters weight workers
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Стр. 69 - ... hidden laws of number which it requires a mind like mine to perceive. For instance, if you add a sum from the bottom up, and then again from the top down, the result is always different.
Стр. 13 - They are the only tools by which an opening can be cut through the formidable thicket of difficulties that bars the path of those who pursue the Science of Man.
Ссылки на эту книгу
Probability and Statistics by Example: Volume 1, Basic Probability and ... Yu. M. Suhov,Mark Kelbert Ограниченный просмотр - 2005 |