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Probability and Statistics II M-312 Lecture 5
5. Inferences Based on Two Samples 5.1. z Tests and Confidence Intervals for a Difference Between Two Population Means
Basic Assumptions 1. X 1 , X 2 , , X m is a random sample from a population with mean 1
MATH 312 Probability and Statistics II
Credits: 4.0 Instructor: Boris Kheyfets Office: 207, Korman Hall Office Hours: 7:00pm 8:00pm, on Mondays and Wednesdays (by appointment) Email: blk24@drexel.edu Text: Jay L. Devore, Probability and Statistics for Eng
M-312: Probability and Statistics II Spring 2010/11, Homework 2
Deadline: May 12, 2011
Text: Jay L. Devore, Probability and Statistics for Engineering and the Science, 7th edition, Thomson. 2008. ISBN 978-0-495-38223-2 .
You have to show all your work to
MATH 312: Probability and Statistics II Spring 2010/11, Homework 1
Deadline: April 14, 2010
Text: Jay L. Devore, Probability and Statistics for Engineering and the Science, 7th edition, Thomson. 2008. ISBN 978-0-495-38223-2 .
You have to show all your wor
Probability and Statistics II M-312 Lecture 4
4. Tests of Hypotheses Based on a Single Sample 4.1. Hypotheses and Test Procedures
Definition 4.1. The null hypothesis, denoted by H0, is the claim that is initially assumed to be true (the prior belief claim
Probability and Statistics II M-312 Lecture 3
3. Statistical Intervals based on a Single Sample 3.1. Basic Properties of Confidence Intervals
The basic concepts and properties of confidence intervals (CIs) are more easily introduced by first focusing on a
Probability and Statistics II M-312 Lecture 2
2. Point Estimation 2.1. General Concepts
Definition 2.1. A point estimate of a parameter is a single number that can be regarded as a sensible value for . A point estimate is obtained by selecting a suitable
Probability and Statistics II M-312 Lecture 1
1. Random Samples 1.1. Statistics and Their Distributions
The observations in a single sample are denoted by x1 , x 2 , , xn . Before we obtain data there is uncertainty about the values of each xi . Because o