Module 22 – Matched Pairs Lab (14 of 19 discussion 2) – Mod 22 group 3Matched Pairs: In this lab you will learn how to conduct a matched pairs T-test for a population mean using StatCrunch. We will work with a data set that has historical importance in the development of the T-test.Some features of this activity may not work well on a cell phone or tablet. We highly recommend that you complete this activity on a computer.Here are the directions, grading rubric, and definition of high-quality feedback for the Learn by Doing discussion board exercises.A list of StatCrunch directions is provided at the bottom of this page.William S. Gosset was employed by the Guinness brewing company of Dublin. Sample sizes available for experimentation in brewing were necessarily small. At that time, Gosset contacted a famous statistician Karl Pearson (1857-1936) and was told that there were no techniques for developing probability models for small data sets. Gosset studied under Pearson, and the outcome of his study was perhaps the most famous paper in statistical literature, “The Probable Error of a Mean” (1908), which introduced the T-distribution.Since Gosset was employed by Guinness, any work he produced would be owned by Guinness, so he published under a pseudonym, “Student”; hence, the T-distribution is often referred to as Student’s T-distribution.To illustrate his analysis, Gosset used the results of seeding 11 different plots of land with two different types of seed: regular and kiln-dried. He wanted to determine if drying seeds before planting increased plant yield. Since different plots of soil may be naturally more fertile, this confounding variable was eliminated by using the matched pairs design and planting both types of seed in all 11 plots.The resulting data (corn yield in pounds per acre) are as follows.We use these data to test the hypothesis that kiln-dried seed yields more corn than regular seed.Because of the nature of the experimental design (matched pairs), we are testing the difference in yield.Note that the differences were calculated: regular − kiln-dried.Regular seed: regular seeds that were traditionally used for plantingkiln-dried: seed that were kiln-dried before plantingDownload the seed (Links to an external site.) data file, and then upload the file into StatCrunch.Each link will open in a new window. To return to this discussion, either close the new tab or select the tab for this discussion.Here is a PDF document with all StatCrunch directions (Links to an external site.).
Instructions:View all segments of the film via the FMG linkfound by clicking the LINCC button on theMyPHCC homepage, then selecting DigitalContent.In a ¾ page summary, answer what importantquestions are raised about Americangovernment in this episode concerning:
The authority of the Judicial Branch
The authority of the President
The rights of the accused“The Trial of Aaron Burr:Part I”WQED1987Films on Demand(FMG)Film Reaction 4
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