Description
1. Add: (4 – 3n – 5n2) + (–2 + n – 3n2)
–2 – 4n – 8n2
2 – 2n – 8n2
2 – 4n – 8n2
–2 – 2n – 8n2
Question 2.2. Add: (8x – 2y) + (4x + 4y – 6)
12x + 2y – 6
12x – 6y – 6
12x – 2y – 6
14xy – 6
Question 3.3. Subtract: (4a2 + b) – (a2 + b)
5a2
3a2
3a2 – 2b
3a2 + 2b
Question 4.4. Subtract and simplify: (–y2 – 3y – 5) – (–3y2 – 7y + 4)
2y2 – 10y + 4
2y2 + 4y – 9
–2y2 – 10y – 1
2y2 – 7y – 9
Question 5.5. Add: (13a + 5b) + (a + 5b – 3)
13a – 3
14a – 3
13a +10b – 3
14a + 10b – 3
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Logic of Hypothesis, statistics homework help
Review the Week 5 Scenarios found in this week’s Learning Resources and select two of the four scenarios for this Assign ...
Logic of Hypothesis, statistics homework help
Review the Week 5 Scenarios found in this week’s Learning Resources and select two of the four scenarios for this Assignment. For this Assignment:Critically evaluate the two scenarios you selected based upon the following points:Critically evaluate the sample size.Critically evaluate the statements for meaningfulness.Critically evaluate the statements for statistical significance.Based on your evaluation, provide an explanation of the implications for social change.
MAT 240 Southern New Hampshire University Housing Price Prediction Worksheet
CompetenciesIn this project, you will demonstrate your mastery of the following competencies:Apply statistical techniques ...
MAT 240 Southern New Hampshire University Housing Price Prediction Worksheet
CompetenciesIn this project, you will demonstrate your mastery of the following competencies:Apply statistical techniques to address research problemsPerform regression analysis to address an authentic problemOverviewThe purpose of this project is to have you complete all of the steps of a real-world linear regression research project starting with developing a research question, then completing a comprehensive statistical analysis, and ending with summarizing your research conclusions.ScenarioYou have been hired by the D. M. Pan National Real Estate Company to develop a model to predict housing prices for homes sold in 2019. The CEO of D. M. Pan wants to use this information to help their real estate agents better determine the use of square footage as a benchmark for listing prices on homes. Your task is to provide a report predicting the housing prices based square footage. To complete this task, use the provided real estate data set for all U.S. home sales as well as national descriptive statistics and graphs provided.DirectionsUsing the Project One Template located in the What to Submit section, generate a report including your tables and graphs to determine if the square footage of a house is a good indicator for what the listing price should be. Reference the National Statistics and Graphs document for national comparisons and the Real Estate Data spreadsheet (both found in the Supporting Materials section) for your statistical analysis.Note: Present your data in a clearly labeled table and using clearly labeled graphs.Specifically, include the following in your report:IntroductionDescribe the report: Give a brief description of the purpose of your report.Define the question your report is trying to answer.Explain when using linear regression is most appropriate.When using linear regression, what would you expect the scatterplot to look like?Explain the difference between response and predictor variables in a linear regression to justify the selection of variables.Data CollectionSampling the data: Select a random sample of 50 houses.Identify your response and predictor variables.Scatterplot: Create a scatterplot of your response and predictor variables to ensure they are appropriate for developing a linear model.Data AnalysisHistogram: For your two variables, create histograms.Summary statistics: For your two variables, create a table to show the mean, median, and standard deviation.Interpret the graphs and statistics:Based on your graphs and sample statistics, interpret the center, spread, shape, and any unusual characteristic (outliers, gaps, etc.) for the two variables.Compare and contrast the shape, center, spread, and any unusual characteristic for your sample of house sales with the national population. 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Quality at A1 Hotels
A1 Hotels operates luxury hotels throughout the world. Recently, motivated by some incidents that appeared in the news, th ...
Quality at A1 Hotels
A1 Hotels operates luxury hotels throughout the world. Recently, motivated by some incidents that appeared in the news, they have been concerned about the quality of service. The company has been giving the following survey to its clients after their stay:How would you rate the quality of your room? Select one.Good(G), Poor(P)How would you rate the quality of your food? Select one.Good(G), Poor(P)How would you rate the quality of your service? Select one.Good (G), Poor(P)Any customer who answered “Poor” to at least one of the three questions up above is considered to be “dissatisfied.” Traditionally, 40% of customers have been dissatisfied.A1 Hotels would like to study customer satisfaction. Therefore, 200 survey responses were recently chosen at random for analysis. The complete data set is in the file named Hotels.Managerial ReportPrepare a report (see below) for A1 Hotels that summarizes your assessment of customer satisfaction. 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Interpret your results.Develop the 92% confidence interval for the proportion of all recent clients who answered “Poor” to service quality. What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Conduct a hypothesis test (using either the p-Value Approach or the Critical Value Approach) to determine if the proportion of all recent clients is more dissatisfied than the traditional level of dissatisfaction. Use α = 0.08. Do not forget to include the correctly worded hypotheses and show all the steps required to conduct the hypothesis test.What advice would you give to A1 Hotels based upon your analysis of the data? What is the magnitude of the issue? How can this study be improved?Write a report that adheres to the Written Assignment Requirements under the heading “Expectations for CSU-Global Written Assignments” found in the CSU-Global Guide to Writing and APA Requirements (Links to an external site.)Links to an external site.. As with all written assignments at CSU-Global, you should have in-text citations and a reference page. An example paper is provided in the MTH410 Guide to Writing with Statistics. (link provided in the Modules tab)Submit your Excel file in addition to your report.Requirements:Paper must be written in third person.Your paper should be four to five pages in length (counting the title page and references page) and cite and integrate at least one credible outside source. The CSU-Global Library (Links to an external site.)Links to an external site. is a great place to find resources.Include a title page, introduction, body, conclusion, and a reference page.The introduction should describe or summarize the topic or problem. It might discuss the importance of the topic or how it affects you or society as a whole, or it might discuss or describe the unique terminology associated with the topic.The body of your paper should answer the questions posed in the problem. Explain how you approached and answered the question or solved the problem, and, for each question, show all steps involved. Be sure this is in paragraph format, not numbered answers like a homework assignment.The conclusion should summarize your thoughts about what you have determined from the data and your analysis, often with a broader personal or societal perspective in mind. Nothing new should be introduced in the conclusion that was not previously discussed in the body paragraphs.Include any tables of data or calculations, calculated values, and/or graphs associated with this problem in the body of your assignment.Document formatting, citations, and style should conform to the CSU-Global Virtual Library CSU-Global Guide to Writing and APA: Introduction (Links to an external site.)Links to an external site.. A short summary containing much that you need to know about paper formatting, citations, and references is contained in the New Sample APA Paper (Links to an external site.)Links to an external site.. In addition, information in the CSU-Global Virtual Library under the Writing Center/APA Resources tab (Links to an external site.)Links to an external site. has many helpful areas (Writing Center, Writing Tips, Template & Examples/Papers & Essays, and others).
MIS-690 Data Cleansing and Data Summary Assignment Paper
DQ1Reflect on collection of data, data cleansing and preparation activities, and selection and application of models, incl ...
MIS-690 Data Cleansing and Data Summary Assignment Paper
DQ1Reflect on collection of data, data cleansing and preparation activities, and selection and application of models, including challenges/struggles, procedures, approach, etc.How do you know that the data you are collecting will be useful?DQ2When summarizing your data, how did you decide which visualization tool you would use to best communicate this information (bar graph or line graph)?AssignmentNow that you have identified the business problem, translated it into an analytics problem, identified the data needs, and acquired the data, you will use data that you have found or with the company's permission you can use its data for analysis to resolve the analytics problem. Using one or more of the following software applications (IBM SPSS Modeler, SPSS Statistics, Excel, Tableau, or R), analyze the data so that the findings can be used to address the established business problem in your company.Write a 750-1,000 word paper that includes the following information for your data (ensure that specific screenshots of graphs, tables, etc., are provided):Conduct an exploratory data analysis: What information is contained in the data set?Describe key features of the data and any significant relationships you find.How did you verify that the data was reliable before proceeding?What problems did you find and how did you address them?What relationships did you find in the data?Any missing data?Analyze trends with respect to any appropriate characteristics that you may have discovered.Supplement your description with appropriate charts/figures. Data can be (but are not necessarily limited to) the following:Line graphsPie chartsBar chartsScatter plotsIndicate the steps you have taken to investigate the quality of the data and indicate any variables you have transformed or discarded as a result.Provide a summary that provides a detailed overview of the trends identified based upon the analysis.Segment the data accordingly, if needed, to help describe the data behavior.How are you going to summarize data samples?Provide a detailed statistical summary of all information provided.Provide the raw software files that you used for this assignment. If R was used, provide a *.txt file of all the commands used.Prepare this assignment according to the guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
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Logic of Hypothesis, statistics homework help
Review the Week 5 Scenarios found in this week’s Learning Resources and select two of the four scenarios for this Assign ...
Logic of Hypothesis, statistics homework help
Review the Week 5 Scenarios found in this week’s Learning Resources and select two of the four scenarios for this Assignment. For this Assignment:Critically evaluate the two scenarios you selected based upon the following points:Critically evaluate the sample size.Critically evaluate the statements for meaningfulness.Critically evaluate the statements for statistical significance.Based on your evaluation, provide an explanation of the implications for social change.
MAT 240 Southern New Hampshire University Housing Price Prediction Worksheet
CompetenciesIn this project, you will demonstrate your mastery of the following competencies:Apply statistical techniques ...
MAT 240 Southern New Hampshire University Housing Price Prediction Worksheet
CompetenciesIn this project, you will demonstrate your mastery of the following competencies:Apply statistical techniques to address research problemsPerform regression analysis to address an authentic problemOverviewThe purpose of this project is to have you complete all of the steps of a real-world linear regression research project starting with developing a research question, then completing a comprehensive statistical analysis, and ending with summarizing your research conclusions.ScenarioYou have been hired by the D. M. Pan National Real Estate Company to develop a model to predict housing prices for homes sold in 2019. The CEO of D. M. Pan wants to use this information to help their real estate agents better determine the use of square footage as a benchmark for listing prices on homes. Your task is to provide a report predicting the housing prices based square footage. To complete this task, use the provided real estate data set for all U.S. home sales as well as national descriptive statistics and graphs provided.DirectionsUsing the Project One Template located in the What to Submit section, generate a report including your tables and graphs to determine if the square footage of a house is a good indicator for what the listing price should be. Reference the National Statistics and Graphs document for national comparisons and the Real Estate Data spreadsheet (both found in the Supporting Materials section) for your statistical analysis.Note: Present your data in a clearly labeled table and using clearly labeled graphs.Specifically, include the following in your report:IntroductionDescribe the report: Give a brief description of the purpose of your report.Define the question your report is trying to answer.Explain when using linear regression is most appropriate.When using linear regression, what would you expect the scatterplot to look like?Explain the difference between response and predictor variables in a linear regression to justify the selection of variables.Data CollectionSampling the data: Select a random sample of 50 houses.Identify your response and predictor variables.Scatterplot: Create a scatterplot of your response and predictor variables to ensure they are appropriate for developing a linear model.Data AnalysisHistogram: For your two variables, create histograms.Summary statistics: For your two variables, create a table to show the mean, median, and standard deviation.Interpret the graphs and statistics:Based on your graphs and sample statistics, interpret the center, spread, shape, and any unusual characteristic (outliers, gaps, etc.) for the two variables.Compare and contrast the shape, center, spread, and any unusual characteristic for your sample of house sales with the national population. Is your sample representative of national housing market sales?Develop Your Regression ModelScatterplot: Provide a graph of the scatterplot of the data with a line of best fit.Explain if a regression model is appropriate to develop based on your scatterplot.Discuss associations: Based on the scatterplot, discuss the association (direction, strength, form) in the context of your model.Identify any possible outliers or influential points and discuss their effect on the correlation.Discuss keeping or removing outlier data points and what impact your decision would have on your model.Find r: Find the correlation coefficient (r).Explain how the r value you calculated supports what you noticed in your scatterplot.Determine the Line of Best Fit. Clearly define your variables. Find and interpret the regression equation. Assess the strength of the model.Regression equation: Write the regression equation (i.e., line of best fit) and clearly define your variables.Interpret regression equation: Interpret the slope and intercept in context.Strength of the equation: Provide and interpret R-squared.Determine the strength of the linear regression equation you developed.Use regression equation to make predictions: Use your regression equation to predict how much you should list your home for based on the square footage of your home.ConclusionsSummarize findings: In one paragraph, summarize your findings in clear and concise plain language for the CEO to understand. Summarize your results.Did you see the results you expected, or was anything different from your expectations or experiences?What changes could support different results, or help to solve a different problem?Provide at least one question that would be interesting for follow-up research.What to SubmitTo complete this project, you must submit the following:Project One Template: Use this template to structure your report, and submit the finished version as a Word document.Supporting MaterialsThe following resources may help support your work on the project:Document: National Statistics and GraphsUse this data for input in your project report.Spreadsheet: Real Estate DataUse this data for input in your project report.Tutorial: Downloading Office 365 ProgramsUse this tutorial for support with Office 365 programs.
Language of Science
Statistics is its own language. In fact, it is often called the language of science. Why do you think it is called the lan ...
Language of Science
Statistics is its own language. In fact, it is often called the language of science. Why do you think it is called the language of science? What does it mean to be statistically literate? Why is it important to be statistically literate?100-200 word
Completed Matrix With Narrative Paper
Assignment: Completed Matrix With NarrativeAs you complete the work on your matrix, observe how the approaches are similar ...
Completed Matrix With Narrative Paper
Assignment: Completed Matrix With NarrativeAs you complete the work on your matrix, observe how the approaches are similar and different across and down the cells. You will need to draw on those observations as you develop your narrative this week. As you prepare to develop your narrative, it is also important to organize your references so that you can refer back to the original sources. For this Assignment, you will create a brief narrative summarizing what you have learned, citing your sources. This Assignment will be a helpful guide as you read other qualitative studies for your capstone.To prepare for this Assignment:Review the work that you have done in the last two weeks, making sure that each cell in the matrix is completed.Create your reference list, including books and methodological articles on each area. You can use the ones listed in the Learning Resources and search for your own as well.By Day 5Write a 2- to 3-page narrative. In your narrative, be sure to respond to the following:Summarize what you have learned about the similarities and differences among the approaches.Describe how what you’ve learned by developing the matrix has allowed you to choose the approach that you plan to use for your research plan in this course.Identify the approach you intend to use for your research question.Describe your rationale for your choice of approach.Submit your Qualitative Research Approaches Matrix Template (which you worked on during Weeks 2 and 3) and your narrative to your Instructor.
Quality at A1 Hotels
A1 Hotels operates luxury hotels throughout the world. Recently, motivated by some incidents that appeared in the news, th ...
Quality at A1 Hotels
A1 Hotels operates luxury hotels throughout the world. Recently, motivated by some incidents that appeared in the news, they have been concerned about the quality of service. The company has been giving the following survey to its clients after their stay:How would you rate the quality of your room? Select one.Good(G), Poor(P)How would you rate the quality of your food? Select one.Good(G), Poor(P)How would you rate the quality of your service? Select one.Good (G), Poor(P)Any customer who answered “Poor” to at least one of the three questions up above is considered to be “dissatisfied.” Traditionally, 40% of customers have been dissatisfied.A1 Hotels would like to study customer satisfaction. Therefore, 200 survey responses were recently chosen at random for analysis. The complete data set is in the file named Hotels.Managerial ReportPrepare a report (see below) for A1 Hotels that summarizes your assessment of customer satisfaction. Be sure to include the following seven items in your report.To summarize the data, compute the proportion of all clients thatAnswered “Poor” to room quality.Answered “Poor” to food quality.Answered “Poor” to service quality.Develop the 92% confidence interval for the proportion of all recent clients that were “dissatisfied.” What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Develop the 92% confidence interval for the proportion of all recent clients who answered “Poor” to room quality. What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Develop the 92% confidence interval for the proportion of all recent clients who answered “Poor” to food quality. What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Develop the 92% confidence interval for the proportion of all recent clients who answered “Poor” to service quality. What is the margin of error? What are the lower (or left) and upper (or right) endpoints of the confidence interval? Interpret your results.Conduct a hypothesis test (using either the p-Value Approach or the Critical Value Approach) to determine if the proportion of all recent clients is more dissatisfied than the traditional level of dissatisfaction. Use α = 0.08. Do not forget to include the correctly worded hypotheses and show all the steps required to conduct the hypothesis test.What advice would you give to A1 Hotels based upon your analysis of the data? What is the magnitude of the issue? How can this study be improved?Write a report that adheres to the Written Assignment Requirements under the heading “Expectations for CSU-Global Written Assignments” found in the CSU-Global Guide to Writing and APA Requirements (Links to an external site.)Links to an external site.. As with all written assignments at CSU-Global, you should have in-text citations and a reference page. An example paper is provided in the MTH410 Guide to Writing with Statistics. (link provided in the Modules tab)Submit your Excel file in addition to your report.Requirements:Paper must be written in third person.Your paper should be four to five pages in length (counting the title page and references page) and cite and integrate at least one credible outside source. The CSU-Global Library (Links to an external site.)Links to an external site. is a great place to find resources.Include a title page, introduction, body, conclusion, and a reference page.The introduction should describe or summarize the topic or problem. It might discuss the importance of the topic or how it affects you or society as a whole, or it might discuss or describe the unique terminology associated with the topic.The body of your paper should answer the questions posed in the problem. Explain how you approached and answered the question or solved the problem, and, for each question, show all steps involved. Be sure this is in paragraph format, not numbered answers like a homework assignment.The conclusion should summarize your thoughts about what you have determined from the data and your analysis, often with a broader personal or societal perspective in mind. Nothing new should be introduced in the conclusion that was not previously discussed in the body paragraphs.Include any tables of data or calculations, calculated values, and/or graphs associated with this problem in the body of your assignment.Document formatting, citations, and style should conform to the CSU-Global Virtual Library CSU-Global Guide to Writing and APA: Introduction (Links to an external site.)Links to an external site.. A short summary containing much that you need to know about paper formatting, citations, and references is contained in the New Sample APA Paper (Links to an external site.)Links to an external site.. In addition, information in the CSU-Global Virtual Library under the Writing Center/APA Resources tab (Links to an external site.)Links to an external site. has many helpful areas (Writing Center, Writing Tips, Template & Examples/Papers & Essays, and others).
MIS-690 Data Cleansing and Data Summary Assignment Paper
DQ1Reflect on collection of data, data cleansing and preparation activities, and selection and application of models, incl ...
MIS-690 Data Cleansing and Data Summary Assignment Paper
DQ1Reflect on collection of data, data cleansing and preparation activities, and selection and application of models, including challenges/struggles, procedures, approach, etc.How do you know that the data you are collecting will be useful?DQ2When summarizing your data, how did you decide which visualization tool you would use to best communicate this information (bar graph or line graph)?AssignmentNow that you have identified the business problem, translated it into an analytics problem, identified the data needs, and acquired the data, you will use data that you have found or with the company's permission you can use its data for analysis to resolve the analytics problem. Using one or more of the following software applications (IBM SPSS Modeler, SPSS Statistics, Excel, Tableau, or R), analyze the data so that the findings can be used to address the established business problem in your company.Write a 750-1,000 word paper that includes the following information for your data (ensure that specific screenshots of graphs, tables, etc., are provided):Conduct an exploratory data analysis: What information is contained in the data set?Describe key features of the data and any significant relationships you find.How did you verify that the data was reliable before proceeding?What problems did you find and how did you address them?What relationships did you find in the data?Any missing data?Analyze trends with respect to any appropriate characteristics that you may have discovered.Supplement your description with appropriate charts/figures. Data can be (but are not necessarily limited to) the following:Line graphsPie chartsBar chartsScatter plotsIndicate the steps you have taken to investigate the quality of the data and indicate any variables you have transformed or discarded as a result.Provide a summary that provides a detailed overview of the trends identified based upon the analysis.Segment the data accordingly, if needed, to help describe the data behavior.How are you going to summarize data samples?Provide a detailed statistical summary of all information provided.Provide the raw software files that you used for this assignment. If R was used, provide a *.txt file of all the commands used.Prepare this assignment according to the guidelines found in the APA Style Guide, located in the Student Success Center. An abstract is not required.This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
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