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What is the relationship between a line of refection and a segment joining corresponding points of the preimage and image? (please explain your answer, i don't really know what this is trying to say..)
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Perpendicular Bisector.
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PSY 805 Langston University Evaluate Statistical Analyses
This week, you have learned about t-tests and ANOVA and will apply what you have learned in the evaluation of several rese ...
PSY 805 Langston University Evaluate Statistical Analyses
This week, you have learned about t-tests and ANOVA and will apply what you have learned in the evaluation of several research scenarios (Hyperlink and the 3 attached files). For this task, you will read each research scenario and answer the questions regarding each one.Research Scenario 1A researcher is interested in the effects of a new weight loss supplement. Participants in this double-blind study are randomly assigned to either a group that receives the new supplement or a group that receives a placebo. Participants are weighed before starting the program. After 6 weeks of taking either the new supplement or the placebo, participants return to the lab to be weighed.Provide the appropriate null and alternative hypotheses.Determine which type of analysis would be appropriate to answer this research question. Be specific and support your answer using the textbook or other course materials.Name the independent and dependent variables used in the analysis. What are the levels of the independent variable?Indicate the levels of measurement for each variable.Describe the Type I error for this study.Describe the Type II error for this study.Research Scenario 2A researcher is interested in whether certain memory strategies help people to remember information. This researcher employs students from a local college, and then randomly assigns them to one of three groups—the visualization group, the mnemonic technique group, and the rote repetition group. Participants in each group receive an hour of instruction regarding how to use the particular technique to remember lists of words. After the instruction, all participants are presented with a list of 60 words that they are instructed to remember. The words are presented one-at-a time on a computer screen. After the last word is presented, all participants are instructed to recall as many words as possible by writing them on a blank sheet of paper. All participants are given 10 minutes to recall the words.Provide the appropriate null and alternative hypotheses.Indicate which type of analysis would be appropriate to answer this research question. Be specific and support your answer using the textbook or other course materials.Name the independent and dependent variables used in the analysis. What are the levels of the independent variable?Indicate the levels of measurement for each variable.Describe the Type I error for this study.Describe the Type II error for this studyResearch Scenario 3A local manufacturing company is interested in determining whether their employees are as happy with their jobs as other employees. The manufacturing company asked the workers, who volunteered to participate, to rate their happiness at work on a scale from 1 to 10 where 1 was not at all happy and 10 was extremely happy. The manufacturing company found that the mean happiness rating for their employees is 7.3. In the general population of workers in the United States, the mean happiness rating is 6.Provide the appropriate null and alternative hypotheses.Determine which type of analysis would be appropriate to answer this research question. Be specific. Please support your answer using the textbook or other course materials.Name the variables used in the analysis.What are the levels of measurement for each variable?Describe the Type I error for this study.Describe the Type II error for this studyLength: 1-2 pagesYour paper should demonstrate thoughtful consideration of the ideas and concepts presented in the course by providing new thoughts and insights relating directly to this topic. Your response should reflect scholarly writing and current APA standards.https://conjointly.com/kb/statistical-student-t-te...
Week 6 Research Design and t Tests: How Are They Connected Assignment
This is a two part assignment Review the Learning Resources and the media programs related to t tests.Using the SPSS softw ...
Week 6 Research Design and t Tests: How Are They Connected Assignment
This is a two part assignment Review the Learning Resources and the media programs related to t tests.Using the SPSS software, open the High School Longitudinal Study dataset found in this week’s Learning Resources and construct a research question that involves a comparison of a means test.Part 1:Research Design and t Tests: How Are They Connected?Use SPSS to answer the research question you constructed and post your response to the following:What is your research question?What is the null hypothesis for your question?What research design would align with this question?What comparison of means test was used to answer the question (be sure to defend the use of the test using the article you found in your search)?What dependent variable was used and how is it measured?What independent variable is used and how is it measured?If you found significance, what is the strength of the effect?Identify your research question and explain your results for a lay audience, what is the answer to your research question?Be sure to support your Main Post and Response Post with reference to the week’s Learning Resources and other scholarly evidence in APA Style.Part 2:Testing Hypotheses for MeansTo prepare for this Assignment:Review the Learning Resources and the media programs related to t tests.For additional support, review the Skill Builder: Research Design and Statistical Design and the Skill Builder: Hypothesis Testing for Independent Samples t-test, which you can find by navigating back to your Blackboard Course Home Page. From there, locate the Skill Builder link in the left navigation pane.Also, review the t test scenarios found in this week’s Learning Resources and consider the three different approaches of t tests:Independent sample t testPaired sample t testOne sample t testBased on each of the three research scenarios provided, open the High School Longitudinal Study dataset or the Afrobarometer dataset from this week’s Learning Resources using SPSS software, then choose and run the appropriate t test.Once you perform your t test analyses, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Assignment:Write a 2- to 3-paragraph analysis of your t test results for each research scenario and include the SPSS syntax and output. Based on your results, provide an explanation of what the implications of social change might be.Use proper APA format, citations, and referencing for your analysis, research questions, and output.
GCCCD Techniques for Developing Probability Model for Gosset Seed Plot Data Questions
ContextGosset's Seed Plot DataWilliam S. Gosset was employed by the Guinness brewing company of Dublin. Sample sizes avail ...
GCCCD Techniques for Developing Probability Model for Gosset Seed Plot Data Questions
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.
2 pages
Discussion Board Of Statistics Methods
Discussion. Go to a local library; collect a sample of books consisting of the ages of book (based on copyright dates). Pl ...
Discussion Board Of Statistics Methods
Discussion. Go to a local library; collect a sample of books consisting of the ages of book (based on copyright dates). Plan and describes the ...
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PSY 805 Langston University Evaluate Statistical Analyses
This week, you have learned about t-tests and ANOVA and will apply what you have learned in the evaluation of several rese ...
PSY 805 Langston University Evaluate Statistical Analyses
This week, you have learned about t-tests and ANOVA and will apply what you have learned in the evaluation of several research scenarios (Hyperlink and the 3 attached files). For this task, you will read each research scenario and answer the questions regarding each one.Research Scenario 1A researcher is interested in the effects of a new weight loss supplement. Participants in this double-blind study are randomly assigned to either a group that receives the new supplement or a group that receives a placebo. Participants are weighed before starting the program. After 6 weeks of taking either the new supplement or the placebo, participants return to the lab to be weighed.Provide the appropriate null and alternative hypotheses.Determine which type of analysis would be appropriate to answer this research question. Be specific and support your answer using the textbook or other course materials.Name the independent and dependent variables used in the analysis. What are the levels of the independent variable?Indicate the levels of measurement for each variable.Describe the Type I error for this study.Describe the Type II error for this study.Research Scenario 2A researcher is interested in whether certain memory strategies help people to remember information. This researcher employs students from a local college, and then randomly assigns them to one of three groups—the visualization group, the mnemonic technique group, and the rote repetition group. Participants in each group receive an hour of instruction regarding how to use the particular technique to remember lists of words. After the instruction, all participants are presented with a list of 60 words that they are instructed to remember. The words are presented one-at-a time on a computer screen. After the last word is presented, all participants are instructed to recall as many words as possible by writing them on a blank sheet of paper. All participants are given 10 minutes to recall the words.Provide the appropriate null and alternative hypotheses.Indicate which type of analysis would be appropriate to answer this research question. Be specific and support your answer using the textbook or other course materials.Name the independent and dependent variables used in the analysis. What are the levels of the independent variable?Indicate the levels of measurement for each variable.Describe the Type I error for this study.Describe the Type II error for this studyResearch Scenario 3A local manufacturing company is interested in determining whether their employees are as happy with their jobs as other employees. The manufacturing company asked the workers, who volunteered to participate, to rate their happiness at work on a scale from 1 to 10 where 1 was not at all happy and 10 was extremely happy. The manufacturing company found that the mean happiness rating for their employees is 7.3. In the general population of workers in the United States, the mean happiness rating is 6.Provide the appropriate null and alternative hypotheses.Determine which type of analysis would be appropriate to answer this research question. Be specific. Please support your answer using the textbook or other course materials.Name the variables used in the analysis.What are the levels of measurement for each variable?Describe the Type I error for this study.Describe the Type II error for this studyLength: 1-2 pagesYour paper should demonstrate thoughtful consideration of the ideas and concepts presented in the course by providing new thoughts and insights relating directly to this topic. Your response should reflect scholarly writing and current APA standards.https://conjointly.com/kb/statistical-student-t-te...
Week 6 Research Design and t Tests: How Are They Connected Assignment
This is a two part assignment Review the Learning Resources and the media programs related to t tests.Using the SPSS softw ...
Week 6 Research Design and t Tests: How Are They Connected Assignment
This is a two part assignment Review the Learning Resources and the media programs related to t tests.Using the SPSS software, open the High School Longitudinal Study dataset found in this week’s Learning Resources and construct a research question that involves a comparison of a means test.Part 1:Research Design and t Tests: How Are They Connected?Use SPSS to answer the research question you constructed and post your response to the following:What is your research question?What is the null hypothesis for your question?What research design would align with this question?What comparison of means test was used to answer the question (be sure to defend the use of the test using the article you found in your search)?What dependent variable was used and how is it measured?What independent variable is used and how is it measured?If you found significance, what is the strength of the effect?Identify your research question and explain your results for a lay audience, what is the answer to your research question?Be sure to support your Main Post and Response Post with reference to the week’s Learning Resources and other scholarly evidence in APA Style.Part 2:Testing Hypotheses for MeansTo prepare for this Assignment:Review the Learning Resources and the media programs related to t tests.For additional support, review the Skill Builder: Research Design and Statistical Design and the Skill Builder: Hypothesis Testing for Independent Samples t-test, which you can find by navigating back to your Blackboard Course Home Page. From there, locate the Skill Builder link in the left navigation pane.Also, review the t test scenarios found in this week’s Learning Resources and consider the three different approaches of t tests:Independent sample t testPaired sample t testOne sample t testBased on each of the three research scenarios provided, open the High School Longitudinal Study dataset or the Afrobarometer dataset from this week’s Learning Resources using SPSS software, then choose and run the appropriate t test.Once you perform your t test analyses, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document.For this Assignment:Write a 2- to 3-paragraph analysis of your t test results for each research scenario and include the SPSS syntax and output. Based on your results, provide an explanation of what the implications of social change might be.Use proper APA format, citations, and referencing for your analysis, research questions, and output.
GCCCD Techniques for Developing Probability Model for Gosset Seed Plot Data Questions
ContextGosset's Seed Plot DataWilliam S. Gosset was employed by the Guinness brewing company of Dublin. Sample sizes avail ...
GCCCD Techniques for Developing Probability Model for Gosset Seed Plot Data Questions
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.
2 pages
Discussion Board Of Statistics Methods
Discussion. Go to a local library; collect a sample of books consisting of the ages of book (based on copyright dates). Pl ...
Discussion Board Of Statistics Methods
Discussion. Go to a local library; collect a sample of books consisting of the ages of book (based on copyright dates). Plan and describes the ...
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