Mathematics, 08.05.2021 04:20 eamccoy1
A stratified simple random sample was taken with the following results. Excel File: data21-07.xls Stratum () 1 138 30 0.50 200 20 2 103 25 0.78 250 30 3 210 50 0.21 100 25 a. Develop an estimate of the population mean for each stratum. Stratum 138 Stratum 103 Stratum 210 b. Develop an approximate confidence interval for the population mean in each stratum (to 4 decimals). Stratum to Stratum to Stratum to c. Develop an approximate confidence interval for the overall population mean (to 4 decimals). to
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A stratified simple random sample was taken with the following results. Excel File: data21-07.xls St...
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