# triola stats chapter 12

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Section 7.3-1 Copyright © 2014, 2012, 2010 Pearson Education, Inc. Lecture Slides Elementary Statistics  Twelfth Edition and the Triola Statistics Series by Mario F. Triola  Section 7.3-2 Copyright © 2014, 2012, 2010 Pearson Education, Inc. Chapter 7 Estimates and Sample Sizes 7-1 Review and Preview 7-2 Estimating a Population Proportion 7-3 Estimating a Population Mean 7-4 Estimating a Population Standard Deviation or Variance   Section 7.3-3 Copyright © 2014, 2012, 2010 Pearson Education, Inc. Key Concept This section presents methods for using the sample mean to make an inference about the value of the corresponding population mean.  Section 7.3-4 Copyright © 2014, 2012, 2010 Pearson Education, Inc. Key Concept 1. We should know that the sample mean is the best point estimate of the population mean  μ  . 2. We should learn how to use sample data to construct a confidence interval for estimating the value of a population mean, and we should know how to interpret such confidence intervals. 3. We should develop the ability to determine the sample size necessary to estimate a population mean.  x

Jul 23, 2017

#### Economics GAAR, GST.

Jul 23, 2017
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