'2 1 degrees' presentation slideshows

Random samples and estimation

Random samples and estimation. Chapter 9: Random samples & sampling distributions Samples and populations ? 2 , t , and F distributions Chapter 10: Parameter estimation Point estimation Standard error of a statistic Method of maximum likelihood Method of moments

736 views • 42 slides

Two-Sample Hypothesis Testing

Two-Sample Hypothesis Testing. Suppose you want to know if two populations have the same mean or, equivalently, if the difference between the population means is zero. You have independent samples from the two populations. Their sizes are n 1 and n 2. So we have a standard normal distribution.

524 views • 40 slides

Canberra, Australia

348 views • 24 slides

Canberra, Australia

247 views • 24 slides

Lesson 13 - 1

Lesson 13 - 1. Comparing Two Means. Two Sample Problems. The goal of inference is to compare the responses to two treatments or to compare the characteristics of two populations We have a separate sample from each treatment or each population

244 views • 23 slides

Fundamental Sampling Distributions

Introduction to random sampling and statistical inference Populations and samples Sampling distribution of means Central Limit Theorem Other distributions S 2 t-distribution F-distribution Data displays / Graphical methods. Fundamental Sampling Distributions. Populations and Samples.

571 views • 19 slides

Fundamental Sampling Distributions

Introduction to random sampling and statistical inference Populations and samples Sampling distribution of means Central Limit Theorem Other distributions S 2 t-distribution F-distribution. Fundamental Sampling Distributions. Populations and Samples.

418 views • 18 slides

Populations and Samples

197 views • 18 slides

Chapter 8: Fundamental Sampling Distributions and Data Descriptions

Introduction to random sampling and statistical inference Populations and samples Sampling distribution of means Central Limit Theorem Other distributions S 2 t-distribution F-distribution. Chapter 8: Fundamental Sampling Distributions and Data Descriptions. Populations and Samples.

334 views • 18 slides