ISDS 2001 : ISDS 2000 TEST 2 Study Guide Revised 022811 1

• School: LSU
• Department: Information Systems & Decision Sciences
• Course: ISDS 2001
• Professor: All

Document Summary

Isds 2000 - test 2 study guide. Understand the reason for taking a sample as opposed to a census. Know the definition of probability and non-probability sample. Recognize that probability sampling is necessary when making statistical inferences. Know the definition of sampling error and when it occurs. Know the kinds of non-sampling error (coverage error, measurement error, nonresponse error) and be able to identify when each of those occur. Know how to calculate/describe three characteristics of a sampling distribution of the mean. Understand how sample size effects the standard error. Understand how to calculate probabilities about sample means using the sampling. X n: know how to calculate/describe the three characteristics of a sampling distribution of the proportion. 1( the shape of the distribution is approximately normal if. Understand how to calculate probabilities about sample proportions using the sampling distribution and the following z-formulae: Know how to set up null and alternative hypotheses. Know definitions of type i and ii errors.