PPT-Sample Size and Confidence Interval

When I cover the entire population I get to know the truth precisely That means that when my sample size is high I get a more precise answer That means that when my sample size increases my preciseness increases. 1. Copyright ©2012 Pearson Education, Inc. publishing as Prentice Hall. Chap 8-. 1. Chapter 8. Confidence Interval Estimation. Basic Business Statistics. 12. th. Edition. Chap 8-. 2. Copyright ©2012 Pearson Education, Inc. publishing as Prentice Hall. 6.1 Large Sample Confidence Intervals for a Mean. A confidence interval for a parameter is a data-based interval of numbers likely to include the true value of the parameter with a probability-based confidence.. Recitation 12. (4/2/2013). TA: Zhen Zhang. zhangz19@stt.msu.edu. Office hour: (C500 WH) 3-4 PM Tuesday. (. office . tel.: . 432-3342). Help-room: (A102 WH) . 9:00AM-1:00PM. , . Monday. Class meet on Tuesday: . Excel. GrowingKnowing.com © 2011. 1. GrowingKnowing.com © 2011. Estimates. We are often asked to predict the future!. When will you complete your team project?. When will you make your first million dollars?. Intervals for Proportions. Ch. 19 . Notes. AP Statistics. Chapter 19 Textbook HW. p.455. #2,4,6,13 (Goal for Tonight). #7,8,14,18,22,26,30,32,35,36. P. 443 Graphs. Inference. To infer means to draw a conclusion.. http://pballew.blogspot.com/2011/03/100-confidence-interval.html. Statistical Inference. 2. Sampling. Sampling Variability. What would happen if we took many samples?. 3. Population. Sample. Sample. Sample. 16. . Thursday. , October . 13, . 2016. Textbook: Sections . 9.3, 9.4. , 10.1, 10.2. • Define standard error, relate it to both standard deviation and sampling distribution ideas.. • . Describe the sampling distribution of a sample proportion. GrowingKnowing.com © 2011. 1. GrowingKnowing.com © 2011. Estimates. We are often asked to predict the future!. When will you complete your team project?. When will you make your first million dollars?. Chapter 23. Inference About Means . Getting Started. Now that we know how to create confidence intervals and test hypotheses about proportions, . it would . be nice to be able to do the same for means. Confidence Intervals on . and. An interval estimator is a formula that tells us how to use sample data to calculate an interval that estimates a population parameter.. The confidence coefficient is the probability that an interval estimator encloses the population parameter.. Confidence Intervals for a Population Proportion Section 8.3 Objectives Construct a confidence interval for a population proportion Find the sample size necessary to obtain a confidence interval of a given width Chapter 8: Inference for Proportions Lecture Presentation Slides Macmillan Learning © 2017 Chapter 8 Inference for Proportions 8.1 Inference for a Single Proportion 8.2 Comparing Two Proportions Essential Statistics 2E William Navidi and Barry Monk Confidence Intervals for a Population Proportion Section 7.3 Objectives Construct a confidence interval for a population proportion Find the sample size necessary to obtain a confidence interval of a given width Applied Statistics and Probability for Engineers. Sixth Edition. Douglas C. Montgomery George C. . Runger. Chapter 8 Title and . Outline. 2. 8. Statistical Intervals for a Single Sample. 8-1 . Confidence Interval on the Mean .