Chapter 8 The shape of data: probability distributions.
Estimation and Confidence Intervals Chapter 09 Copyright © 2013 by The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill/Irwin.
SADC Course in Statistics Testing a hypothesis (Session 09)
T distribution with 20 degrees of freedom t distribution with 10 degrees of freedom 0 t distribution with degrees of freedom t Distribution The t-distribution.
Confidence Intervals and the Missing Link. Youve taught students the normal curve and the central limit theorem, but they just dont get confidence intervals.
Desktop, Mobile & Web Based GIS/ Collaborative GIS Lecture 4.
INTERSECTION OF 3 PLANES.. Consider the 3 planes given by the following equations: x + 2y + z = 14 2x + 2y – z = 10 x – y + z = 5 The traditional.
Confidence Intervals for a Mean when you have a “large” sample…
Estimation of Means and Proportions. Concepts Estimator: a rule that tells us how to estimate a value for a population parameter using sample data Estimate:
Standardizing to z © Christine Crisp “Teach A Level Maths” Statistics 2.
Simplex method
Advanced statistics for librarians
