NOTES
Lasallilan Christian Achievers for God and Country
1
Published by the De La Salle University
College of Business and Economics
(CHED Center for Development for Business and Management Education)
Center for Business and Economics Research and Develop
Chapter 5
CORRELATION AND REGRESSION
5.1: Introduction
So far we have confined our discussion to the distributions involving
only one variable. Sometimes, in practical applications, we might come
across certain set of data, where each item of the set may
Ismor Fischer, 1/8/2014
6.1-1
6. Statistical Inference and Hypothesis Testing
6.1 One Sample
6.1.1
Mean
STUDY POPULATION = Cancer patients on new drug treatment
Random Variable: X = Survival time (months)
Assume X N(, ), with unknown mean , but known (?)
STATISTICAL INFERENCE
1.0 HYPOTHESIS TESTING
A hypothesis is a statement, inference or tentative explanation about a population that
can be tested by further investigation. A hypothesis test is a statistical test that assists in
the decision to prove or d
UNIVERSITY OF ELDORET
SCHOOL OF ENGINEERING
STA 205 STATISTICS
16TH APRIL 2015
CAT
1) The strength of steel wire made by an existing process is normally distributed with a
mean of 1340 and a standard deviation of 144. A batch of wire is made by a new proc
CHAPTER 2: LINEAR REGRESSION AND CORRELATION
2.1 Introduction:
Regression involves taking samples of data over a range of an independent variable or
variables and using those data to obtain information regarding the relation between the
dependent and inde
Total Probability and
Bayes Theorem
35.4
Introduction
When the ideas of probability are applied to engineering (and many other areas) there are
occasions when we need to calculate conditional probabilities other than those already known.
For example, if p
COURSE:
STA 205
Statistics
LECTURER:
Dr. Augustine Makokha
1. COURSE BACKGROUND AND OBJECTIVES
This course is designed for undergraduate students to learn the theory and concepts of probability
and statistics. The core objective of the course is to equip
Chapter 13
13-1
Student Lecture Notes
Chapter 13
Introduction to Linear Regression
and Correlation Analysis
Fall 2006 Fundamentals of Business Statistics
1
Chapter Goals
To understand the methods for displaying and
describing relationship among variables