TYBMS Prof. Hemant Kombrabail SAMPLING SOME BASIC TERMS 1. Population – In statistical usage the term population is applied to any finite or infinite collection of individuals.…
blu49076_ch07.qxd 5/20/2003 3:15 PM Page 325 c h a p t e r 7 Outline 7–1 7–2 7–3 7–4 7–5 Confidence Intervals and Sample Size Objectives After completing this chapter,…
Point Estimates: The sample mean X is the best estimator of the population mean µ . It is unbiased, consistent, the most efficient estimator, and, as long as the sample…
blu49076_ch07.qxd 5/20/2003 3:15 PM Page 325 c h a p t e r 7 Outline 7–1 7–2 7–3 7–4 7–5 Confidence Intervals and Sample Size Objectives After completing this chapter,…
Chapter 7 case study Introduction Section 7.1 Section 7.2 Section 7.3 What Is a Sampling Distribution? Sample Proportions Sample Means Chapter 7 Review Chapter 7 Review Exercises…
1. 1 Chapter 9 Estimation Using a Single Sample 2. 2 A point estimate of a population characteristic is a single number that is based on sample data and represents a plausible…
Slide 1This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike License.Your use of this material constitutes acceptance of that license and the…
Slide 1DATA & STATISTICS 101 Presented by Stu Nagourney NJDEP, OQA Slide 2 Precision, Accuracy and Bias 4 Precision: Degree of agreement between a series of measured…
Slide 1Slide Slide 1 Section 6-4 Sampling Distributions and Estimators Slide 2 Slide Slide 2 The height of young women varies approximately according to the N(64.5, 2.5)…
Slide 1Christopher Dougherty EC220 - Introduction to econometrics (review chapter) Slideshow: the central limit theorem Original citation: Dougherty, C. (2012) EC220 - Introduction…