6 simple questions on Statistics Normal Distribution
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Hypothesis testing is used in business to test assumptions and theories. These assumptions are tested against evidence pro ...
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Hypothesis testing is used in business to test assumptions and theories. These assumptions are tested against evidence provided by actual, observed data. A statistical hypothesis is a statement about the value of a population parameter that we are interested in. Hypothesis testing is a process followed to arrive at a decision between 2 competing, mutually exclusive, collective exhaustive statements about the parameter’s value.Consider the following scenario: An industrial seller of grass seeds packages its product in 50-pound bags. A customer has recently filed a complained alleging that the bags are underfilled. A production manager randomly samples a batch and measures the following weights:Weight, (lbs)45.6 49.547.7 46.747.6 48.850.5 48.650.2 51.546.9 50.247.8 49.949.3 49.853.1 49.349.5 50.1To determine whether the bags are indeed being underfilled by the machinery, the manager must conduct a test of mean with a significance level α = 0.05.In a minimum of 175 words, respond to the following:State appropriate null (Ho) and alternative (H1) hypotheses.What is the critical value if we work with a significant level α = 0.05?What is the decision rule?Calculate the test statistic.Are the bags indeed being underfilled?Should machinery be recalibrated?
University of California Descriptive Analysis Afrobarometer Dataset Using SPSS Software
For this Introduction to Quantitative Analysis: Descriptive Analysis Assignment, you will examine the same two variables y ...
University of California Descriptive Analysis Afrobarometer Dataset Using SPSS Software
For this Introduction to Quantitative Analysis: Descriptive Analysis Assignment, you will examine the same two variables you used from your Week 2 Assignment and perform the appropriate descriptive analysis of the data given. To prepare for this Assignment: Review this week’s Learning Resources and the Central Tendency and Variability media program.For additional support, review the Skill Builder: Measures of Central Tendency for Continuous Variables, Skill Builder: Standard Deviation as a Measure of Variability for Continuous Variables and the Skill Builder: Measures of Central Tendency and Variability for Categorical Variables, 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.Using the SPSS software, open the Afrobarometer dataset or the High School Longitudinal Study dataset from your Assignment in Week 2.Choose the same two variables you chose from your Week 2 Assignment and perform the appropriate descriptive analysis of the data.Once you perform your descriptive analysis, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document. Write a 2- to 3-paragraph analysis of your descriptive analysis results and include a copy and paste your output from your analysis into your final document. Based on the results of your data, provide a brief explanation of what the implications for social change might be. Early in your Assignment, when you relate which dataset you analyzed, please include the mean of the following variables. If you are using the Afrobarometer Dataset, report the mean of Q1 (Age). If you are using the HS Long Survey Dataset, report the mean of X1Par1Edu. Use appropriate APA format, citations and referencing. Refer to the APA manual for appropriate citation.
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or the results section in Paper IV, you will provide information about your participants,materials, and procedure. Your pa ...
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or the results section in Paper IV, you will provide information about your participants,materials, and procedure. Your participant section goes first, and it includes descriptive statistics about your sample (means and standard deviations for age and percentages of gender and race/ethnicity). This is a new sample of participants, so you CANNOT use Paper II for this information. Make it NEW! Your materials and procedure sections include information about what you did and how you did it (I already uploaded the Qualtrics Survey on Blackboard, located at Dataset, Qualtrics, & Results folder under Couse Tools on the left side of Blackboard). You should once again write this section for an audience who is unfamiliar with your newer study two variables, but you can actually summarize or refer back to study one variables if and when they carry over from study one to study two. In the end, just remember that you must educate your reader about your materials and procedure, giving enough detail so they could replicate study two on their own. Your Paper IV Method section will thus look a lot like your Paper II, but in Paper IV you will describe BOTH independent variables as well as important dependent variables (especially any new ones you added). I suggest reviewing your Paper II feedback to see if you need more clarity in your Method descriptions, but make sure that your reader is clear about the mechanics of your new 2 X 2 factorial design.
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Determine whether each statement is true or false. Explain your answer. FALSE: drawing without replacements makes each dra ...
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Determine whether each statement is true or false. Explain your answer. FALSE: drawing without replacements makes each draw a dependent event, because ...
University of California Los Angeles Statistics Question
Hypothesis testing is used in business to test assumptions and theories. These assumptions are tested against evidence pro ...
University of California Los Angeles Statistics Question
Hypothesis testing is used in business to test assumptions and theories. These assumptions are tested against evidence provided by actual, observed data. A statistical hypothesis is a statement about the value of a population parameter that we are interested in. Hypothesis testing is a process followed to arrive at a decision between 2 competing, mutually exclusive, collective exhaustive statements about the parameter’s value.Consider the following scenario: An industrial seller of grass seeds packages its product in 50-pound bags. A customer has recently filed a complained alleging that the bags are underfilled. A production manager randomly samples a batch and measures the following weights:Weight, (lbs)45.6 49.547.7 46.747.6 48.850.5 48.650.2 51.546.9 50.247.8 49.949.3 49.853.1 49.349.5 50.1To determine whether the bags are indeed being underfilled by the machinery, the manager must conduct a test of mean with a significance level α = 0.05.In a minimum of 175 words, respond to the following:State appropriate null (Ho) and alternative (H1) hypotheses.What is the critical value if we work with a significant level α = 0.05?What is the decision rule?Calculate the test statistic.Are the bags indeed being underfilled?Should machinery be recalibrated?
University of California Descriptive Analysis Afrobarometer Dataset Using SPSS Software
For this Introduction to Quantitative Analysis: Descriptive Analysis Assignment, you will examine the same two variables y ...
University of California Descriptive Analysis Afrobarometer Dataset Using SPSS Software
For this Introduction to Quantitative Analysis: Descriptive Analysis Assignment, you will examine the same two variables you used from your Week 2 Assignment and perform the appropriate descriptive analysis of the data given. To prepare for this Assignment: Review this week’s Learning Resources and the Central Tendency and Variability media program.For additional support, review the Skill Builder: Measures of Central Tendency for Continuous Variables, Skill Builder: Standard Deviation as a Measure of Variability for Continuous Variables and the Skill Builder: Measures of Central Tendency and Variability for Categorical Variables, 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.Using the SPSS software, open the Afrobarometer dataset or the High School Longitudinal Study dataset from your Assignment in Week 2.Choose the same two variables you chose from your Week 2 Assignment and perform the appropriate descriptive analysis of the data.Once you perform your descriptive analysis, review Chapter 11 of the Wagner text to understand how to copy and paste your output into your Word document. Write a 2- to 3-paragraph analysis of your descriptive analysis results and include a copy and paste your output from your analysis into your final document. Based on the results of your data, provide a brief explanation of what the implications for social change might be. Early in your Assignment, when you relate which dataset you analyzed, please include the mean of the following variables. If you are using the Afrobarometer Dataset, report the mean of Q1 (Age). If you are using the HS Long Survey Dataset, report the mean of X1Par1Edu. Use appropriate APA format, citations and referencing. Refer to the APA manual for appropriate citation.
Research Method II
or the results section in Paper IV, you will provide information about your participants,materials, and procedure. Your pa ...
Research Method II
or the results section in Paper IV, you will provide information about your participants,materials, and procedure. Your participant section goes first, and it includes descriptive statistics about your sample (means and standard deviations for age and percentages of gender and race/ethnicity). This is a new sample of participants, so you CANNOT use Paper II for this information. Make it NEW! Your materials and procedure sections include information about what you did and how you did it (I already uploaded the Qualtrics Survey on Blackboard, located at Dataset, Qualtrics, & Results folder under Couse Tools on the left side of Blackboard). You should once again write this section for an audience who is unfamiliar with your newer study two variables, but you can actually summarize or refer back to study one variables if and when they carry over from study one to study two. In the end, just remember that you must educate your reader about your materials and procedure, giving enough detail so they could replicate study two on their own. Your Paper IV Method section will thus look a lot like your Paper II, but in Paper IV you will describe BOTH independent variables as well as important dependent variables (especially any new ones you added). I suggest reviewing your Paper II feedback to see if you need more clarity in your Method descriptions, but make sure that your reader is clear about the mechanics of your new 2 X 2 factorial design.
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