two sample variance- Z, T test--0131877038_pp8.ppt
Stats chapter 13
Chapter 10: Introduction to Inference If you believe in miracles, head for the Keno lounge. Jimmy the Greek.
Sampling Methods and the Central Limit Theorem Chapter 8 McGraw-Hill/Irwin Copyright © 2012 by The McGraw-Hill Companies, Inc. All rights reserved.
McGraw-Hill/Irwin Copyright © 2010 by The McGraw-Hill Companies, Inc. All rights reserved. Sampling Methods and the Central Limit Theorem Chapter 8.
BUS 220: ELEMENTARY STATISTICS Chapter 8: Sampling Methods and Central Limit Theorem.
* 7.1What is a Sampling Distribution? * 7.2Sample Proportions * 7.3Sample Means.
+ The Practice of Statistics, 4 th edition – For AP* STARNES, YATES, MOORE Chapter 7: Sampling Distributions Section 7.3 Sample Means.
+ The Practice of Statistics, 4 th edition – For AP* STARNES, YATES, MOORE Chapter 9: Sampling Distributions Section 9.3 Sample Means.
Parameter: A number describing a characteristic of the population (usually unknown) The mean gas price of regular gasoline for all gas stations in Maryland.
The Normal Distribution PSYC 6130, PROF. J. ELDER 2 is the mean is the standard deviation The height of a normal density curve at any point x is given.
Sampling Probability Sampling Nonprobability Sampling.
