Transcription of 5: Introduction to Estimation
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5: Introduction to Estimation
Page (C:\Users\B. Burt Gerstman\Dropbox\StatPrimer\ , 5/8/2016) 5: Introduction to Estimation Contents Acronyms and symbols .. 1 Statistical inference .. 2 Estimating with confidence .. 3 Sampling distribution of the mean .. 3 Confidence Interval for when is known before hand .. 4 Sample Size Requirements for estimating with confidence .. 6 Estimating p with 7 Sampling distribution of the proportion .. 7 Confidence interval for p .. 7 Sample size requirement for estimating p with confidence .. 9 Acronyms and symbols q complement of the sample proportion x sample mean p sample proportion 1 confidence level CI confidence interval LCL lower confidence limit m margin of error n sample size NHTS null hypothesis test of significance p binomial success parameter ( population proportion ) s sample standard deviation SDM sampling distribution of mean (hypothetical probability model) SEM standard error of the mean SEP standard error of the proportion UCL upper confidence limit alpha level expected value ( population mean ) standard deviation parameter Page (C:\Users\B.)
• Interval estimation (also called confidence interval for parameter) This chapter introduces estimation. The following chapter introduced NHTS. Both estimation and NHTS are used to infer parameters. A parameter is a statistical constant that describes a feature about a phenomena, population, pmf, or pdf.
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