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mean square of experimental error = 336.07
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GCCCD Module 22 Stat Crunch Directions and T Score Calculations Problems
Learn by DoingMatched Pairs: In this lab you will learn how to conduct a matched pairs T-test for a population mean using ...
GCCCD Module 22 Stat Crunch Directions and T Score Calculations Problems
Learn by DoingMatched 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.ContextGosset's Seed Plot DataWilliam 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.PlotRegular seedKiln-dried Seed11903200921935191531910201142496246352108218061961192572060212281444148291612154210131614431115111535We 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.PlotRegular seedKiln-dried SeedDifference119032009–10621935191520319102011–10142496246333521082180–7261961192536720602122–62814441482–38916121542701013161443–1271115111535–24Note that the differences were calculated: regular − kiln-dried.VariablesRegular seed: regular seeds that were traditionally used for plantingkiln-dried: seed that were kiln-dried before plantingDataDownload the seed (Links to an external site.) data file, and then upload the file into StatCrunch. PromptState the hypotheses and define the parameter.Checking conditions: Since Gosset invented the T-distribution, we will assume that his sample meets the conditions and proceed with the T-test. Regardless, answer these questions to demonstrate your understanding of the conditions for use of the T-model.But first you will need to review the dotplots for the data (opens in a new tab).
Which graph is used to check conditions? Why?What do we look for in the graph to verify that conditions are met?What else do we need to know about the sample of seeds before using the T-test?Use StatCrunch to find the T-score and the P-value. Hint: as you work through the StatCrunch directions, keep in mind that we want to calculate the differences as regular − kiln-dried . So you will choose Regular seed for Sample 1 and kiln-dried seed for Sample 2. (directions)Copy and paste the information in the StatCrunch output window into your initial post.State a conclusion based on the context of this scenario.List of StatCrunch DirectionsEach link will open in a new window. To return to this discussion, either close the new tab or select the tab for this discussion. Create Your Stats-Class Folder in Canvas (You only need to do this once.)Purchase StatCrunch (You only need to do this once.)Open StatCrunchDownload Excel Data FileUpload Excel Data File to StatCrunchDownload StatCrunch Output Window (no screenshots; please use these directions)Upload Files into Your Stat-Class Folder in CanvasConduct Matched-Pairs T-testCopy & Paste a StatCrunch TableHere is a PDF document with all StatCrunch directions (Links to an external site.).
QMB 3200 University of South Florida Dependent Variable Prices Exercises
HW #3 Assignment:Download the HW file here: downloadHW 3 Spring 2021.docx
...
QMB 3200 University of South Florida Dependent Variable Prices Exercises
HW #3 Assignment:Download the HW file here: downloadHW 3 Spring 2021.docx
download
You are being asked to conduct a complete Multiple Regression
analysis of your homework data. You will need to include the Model
Building printouts generated for your data in quizzes 6 and 7, as well
some additional printouts we have gone over in class. I will be going over the entire HW 3 with you during class on April
7th. Please watch that lecture to get a thorough description of what is
being expected of you.Your submission should be typed (or written neatly and scanned) and submitted in a Word document by the due data listed.The TAs are happy to help with this homework. They are responsible
for helping you learn the material needed on this homework. They will
not "pre-grade" this homework and have been instructed to not give
direct feedback as to whether an answer is "right" or "wrong." Changes in the Application Gateway
8 pages
Deliverable 04 Worksheet.edited
Market research has determined the following changes in market shares based on the different combinations of music choices ...
Deliverable 04 Worksheet.edited
Market research has determined the following changes in market shares based on the different combinations of music choices for the two clubs: if both ...
Northern Star Online Probability and Simulation Questions
FST Chapter 7: Probability and Simulation There are 27 questions from the Chapter Review on pages 482-485 of our textbo ...
Northern Star Online Probability and Simulation Questions
FST Chapter 7: Probability and Simulation There are 27 questions from the Chapter Review on pages 482-485 of our textbook (see attachments). **Helpful tip: There are answers to the odd numbered questions in the back of the textbook. Use these to help you make sure you are on the right track for the questions on the assignment (see attachments). At the end of the assignment, there are an additional 10 questions that are not from the textbook. Show your work and circle your answers for each question below. If your answer is not correct I will look at your work to see if I can award partial credit. You may attach your work to this as long as you clearly mark which problem is being worked. When you are finished you should scan or take photos of the pages and send back to me. I suggest using the Camscanner app (free version) or a similar program so that you can attach your entire assignment as 1 file. When using this app, select the batch function so that you can take multiple pictures. Please take any photos in bright light so that your answers and work show up clearly - then submit it as a PDF file. It is okay to hand write work/answers, as long as it is clear what work belongs with what question and the answers are circled. The assigned questions are in the attachments.
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GCCCD Module 22 Stat Crunch Directions and T Score Calculations Problems
Learn by DoingMatched Pairs: In this lab you will learn how to conduct a matched pairs T-test for a population mean using ...
GCCCD Module 22 Stat Crunch Directions and T Score Calculations Problems
Learn by DoingMatched 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.ContextGosset's Seed Plot DataWilliam 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.PlotRegular seedKiln-dried Seed11903200921935191531910201142496246352108218061961192572060212281444148291612154210131614431115111535We 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.PlotRegular seedKiln-dried SeedDifference119032009–10621935191520319102011–10142496246333521082180–7261961192536720602122–62814441482–38916121542701013161443–1271115111535–24Note that the differences were calculated: regular − kiln-dried.VariablesRegular seed: regular seeds that were traditionally used for plantingkiln-dried: seed that were kiln-dried before plantingDataDownload the seed (Links to an external site.) data file, and then upload the file into StatCrunch. PromptState the hypotheses and define the parameter.Checking conditions: Since Gosset invented the T-distribution, we will assume that his sample meets the conditions and proceed with the T-test. Regardless, answer these questions to demonstrate your understanding of the conditions for use of the T-model.But first you will need to review the dotplots for the data (opens in a new tab).
Which graph is used to check conditions? Why?What do we look for in the graph to verify that conditions are met?What else do we need to know about the sample of seeds before using the T-test?Use StatCrunch to find the T-score and the P-value. Hint: as you work through the StatCrunch directions, keep in mind that we want to calculate the differences as regular − kiln-dried . So you will choose Regular seed for Sample 1 and kiln-dried seed for Sample 2. (directions)Copy and paste the information in the StatCrunch output window into your initial post.State a conclusion based on the context of this scenario.List of StatCrunch DirectionsEach link will open in a new window. To return to this discussion, either close the new tab or select the tab for this discussion. Create Your Stats-Class Folder in Canvas (You only need to do this once.)Purchase StatCrunch (You only need to do this once.)Open StatCrunchDownload Excel Data FileUpload Excel Data File to StatCrunchDownload StatCrunch Output Window (no screenshots; please use these directions)Upload Files into Your Stat-Class Folder in CanvasConduct Matched-Pairs T-testCopy & Paste a StatCrunch TableHere is a PDF document with all StatCrunch directions (Links to an external site.).
QMB 3200 University of South Florida Dependent Variable Prices Exercises
HW #3 Assignment:Download the HW file here: downloadHW 3 Spring 2021.docx
...
QMB 3200 University of South Florida Dependent Variable Prices Exercises
HW #3 Assignment:Download the HW file here: downloadHW 3 Spring 2021.docx
download
You are being asked to conduct a complete Multiple Regression
analysis of your homework data. You will need to include the Model
Building printouts generated for your data in quizzes 6 and 7, as well
some additional printouts we have gone over in class. I will be going over the entire HW 3 with you during class on April
7th. Please watch that lecture to get a thorough description of what is
being expected of you.Your submission should be typed (or written neatly and scanned) and submitted in a Word document by the due data listed.The TAs are happy to help with this homework. They are responsible
for helping you learn the material needed on this homework. They will
not "pre-grade" this homework and have been instructed to not give
direct feedback as to whether an answer is "right" or "wrong." Changes in the Application Gateway
8 pages
Deliverable 04 Worksheet.edited
Market research has determined the following changes in market shares based on the different combinations of music choices ...
Deliverable 04 Worksheet.edited
Market research has determined the following changes in market shares based on the different combinations of music choices for the two clubs: if both ...
Northern Star Online Probability and Simulation Questions
FST Chapter 7: Probability and Simulation There are 27 questions from the Chapter Review on pages 482-485 of our textbo ...
Northern Star Online Probability and Simulation Questions
FST Chapter 7: Probability and Simulation There are 27 questions from the Chapter Review on pages 482-485 of our textbook (see attachments). **Helpful tip: There are answers to the odd numbered questions in the back of the textbook. Use these to help you make sure you are on the right track for the questions on the assignment (see attachments). At the end of the assignment, there are an additional 10 questions that are not from the textbook. Show your work and circle your answers for each question below. If your answer is not correct I will look at your work to see if I can award partial credit. You may attach your work to this as long as you clearly mark which problem is being worked. When you are finished you should scan or take photos of the pages and send back to me. I suggest using the Camscanner app (free version) or a similar program so that you can attach your entire assignment as 1 file. When using this app, select the batch function so that you can take multiple pictures. Please take any photos in bright light so that your answers and work show up clearly - then submit it as a PDF file. It is okay to hand write work/answers, as long as it is clear what work belongs with what question and the answers are circled. The assigned questions are in the attachments.
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