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Statistics essentials for dummies.
Statistics Essentials For Dummies (9781119590309) was previously published as Statistics Essentials For Dummies (9780470618394). While this version features a new Dummies cover and design, the content is the same as the prior release and should not be considered a new or updated product. Statistics...
| Clasificación: | Libro Electrónico |
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| Autor principal: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Hoboken, NJ :
John Wiley & Sons, Inc.,
[2019]
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Intro; Title Page; Copyright Page; Table of Contents; Introduction; About This Book; Conventions Used in This Book; Foolish Assumptions; Icons Used in This Book; Where to Go from Here; Chapter 1 Statistics in a Nutshell; Designing Studies; Surveys; Experiments; Collecting Data; Selecting a good sample; Avoiding bias in your data; Describing Data; Descriptive statistics; Charts and graphs; Analyzing Data; Making Conclusions; Chapter 2 Descriptive Statistics; Types of Data; Counts and Percents; Measures of Center; Measures of Variability; Percentiles; Finding a percentile
- Interpreting percentilesThe Five-Number Summary; Chapter 3 Charts and Graphs; Pie Charts; Bar Graphs; Time Charts; Histograms; Making a histogram; Interpreting a histogram; Evaluating a histogram; Boxplots; Making a boxplot; Interpreting a boxplot; Chapter 4 The Binomial Distribution; Characteristics of a Binomial; Checking the binomial conditions step by step; Non-binomial examples; Finding Binomial Probabilities Using the Formula; Finding Probabilities Using the Binomial Table; Finding probabilities when p≤0.50; Finding probabilities when p>0.50
- Finding probabilities for X greater-than, less-than, or between two valuesThe Expected Value and Variance of the Binomial; Chapter 5 The Normal Distribution; Basics of the Normal Distribution; The Standard Normal (Z) Distribution; Finding Probabilities for X; Finding X for a Given Probability; Normal Approximation to the Binomial; Chapter 6 Sampling Distributions and the Central Limit Theorem; Sampling Distributions; The mean of a sampling distribution; Standard error of a sampling distribution; Sample size and standard error; Population standard deviation and standard error; The shape
- Finding Probabilities for XThe Sampling Distribution of the Sample Proportion; What proportion of students need math help?; Finding Probabilities for ˆp; Chapter 7 Confidence Intervals; Making Your Best Guesstimate; The Goal: Small Margin of Error; Choosing a Confidence Level; Factoring in the Sample Size; Counting on Population Variability; Confidence Interval for a Population Mean; Confidence Interval for a Population Proportion; Confidence Interval for the Difference of Two Means; Confidence Interval for the Difference of Two Proportions; Interpreting Confidence Intervals
- Spotting Misleading Confidence IntervalsChapter 8 Hypothesis Tests; Doing a Hypothesis Test; Identifying what you're testing; Setting up the hypotheses; Finding sample statistics; Standardizing the evidence: The test statistic; Weighing the evidence and making decisions: p-values; General steps for a hypothesis test; Testing One Population Mean; Testing One Population Proportion; Comparing Two Population Means; Testing the Mean Difference: Paired Data; Testing Two Population Proportions; You Could Be Wrong: Errors in Hypothesis Testing; A false alarm: Type-1 error