1.3 Estimating Population Mean and Total under Simple Random Sampling STAT 506 - Sampling Theory

# 1.3 Estimating Population Mean and Total under Simple Random Sampling STAT 506 - Sampling Theory

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STAT 506 - Sampling Theory and Methods ANGEL Department of Statistics Eberly College of Science Home // Lesson 1: Introduction; Estimating Population Mean and Total under Simple Random Sampling 1.3 Estimating Population Mean and Total under Simple Random Sampling Submitted by gfj100 on Mon, 11/30/2009 - 16:56 Unit Summary Simple random sampling (without replacement) Estimating population mean Estimating population total Expected values and variances of under simple random sampling Definition of Simple Random Sampling: Random sampling without replacement such that every possible sample of n units has the same probability of selection. Example 1 A hospital has 1,125 patient records. How can one randomly select 120 records to review? Answer: Assign a number from 1 to 1,125 to each record and randomly select 120 numbers from 1 to 1,125 without replacement. In Minitab use the following commands: Calc > Make Patterned Data > Simple Set of Numbers. ..

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Then, Calc > Random Data > Sample From Columns. .. ( without replacement is the default)
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1.3 Estimating Population Mean and Total under Simple Random Sampling STAT 506 - Sampling Theory

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