'Unknown population' presentation slideshows

Krisztina Boda PhD Department of Medical Informatics, University of Szeged

Biostatistics, statistical software IV. Statistical estimation, confidence intervals. Hypothesis tests. One-and two sample t-tests. Krisztina Boda PhD Department of Medical Informatics, University of Szeged. Statistical estimation.

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Chapter 9: Introduction to the t statistic

Chapter 9: Introduction to the t statistic. The t Statistic. The t statistic allows researchers to use sample data to test hypotheses about an unknown population mean.

510 views • 50 slides

Environmental reporting through financial statements: the Peruvian evidence

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Introduction to Inference

Introduction to Inference. Did you ever cook a big pot of soup? Growing up, my mother used to make a rather large pot of soup or chili (eight kids). How did she know the soup was going to be good? She used to take a sample to infer about what the whole pot would taste like.

479 views • 32 slides

Chapter 9: Introduction to the t statistic

Chapter 9: Introduction to the t statistic. The t Statistic. The t statistic allows researchers to use sample data to test hypotheses about an unknown population mean.

500 views • 23 slides

Statistics for Microarray Data Analysis with R

Statistics for Microarray Data Analysis with R. Session 3: More features of R and the Central Limit Theorem. > tumor.info<-data.frame(localization,tumorsize,progress) > rownames(tumor.info)<-c("XX348","XX234","XX987") > tumor.info$tumorsize [1] 6.3 8.0 10.0.

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Chapter 9 Introduction to the t-statistic

Chapter 9 Introduction to the t-statistic. PSY295 Spring 2003 Summerfelt. Overview. CLT or Central Limit Theorem z-score Standard error t-score Degrees of freedom. Learning Objectives. Know when to use the t statistic for hypothesis testing Understand the relationship between z and t

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Chapter 6: Probability

Chapter 6: Probability. Probability. Probability is a method for measuring and quantifying the likelihood of obtaining a specific sample from a specific population. We define probability as a fraction or a proportion.

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KULIAH STATISTIKA 2

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KULIAH STATISTIKA 2

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Ch 5: Hypothesis Tests With Means of Samples

Ch 5: Hypothesis Tests With Means of Samples. Pt 3: Sept. 17, 2013. Confidence Intervals. CI is alternative to a point estimate for an unknown population mean Last week, we discussed how to calculate 95% and 99% CI (both 1 and 2-tailed). Now, how to use these CI for hypothesis testing

185 views • 5 slides