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Assignment understanding and exploring assumptions
You will submit one Word document for this assignment. You will create this Word document by cutting and pasting SPSS outp ...
Assignment understanding and exploring assumptions
You will submit one Word document for this assignment. You will create this Word document by cutting and pasting SPSS output into Word. Name the file in the following format: lastnamefirstinitialPSY7107-6.doc (example: smithbPSY7107-6.doc).Begin by downloading the following SPSS data sets:DownloadFestival.savSPSSExam.savChickFlick.savWhy do we care whether the assumptions required for statistical tests are met? (You might also want to write your answer on a note card you paste to your computer.)Open the data set that you corrected in a previous assignment for DownloadFestival.sav. You will use the following variables: Day1, Day2, and Day3 (hygiene variable for all three days). Create a simple histogram for each variable. Choose to display the normal curve (under Element Properties) and title your charts. Copy these plots into your assignment Word document.Now create probability-probability (p-p) plots for each variable. This output will give you additional information. Read over the Case Processing Summary. Notice that there is missing data for Days 2 and Day 3. Copy only the Normal p-p Plots into your assignment Word document (you do not need to copy the beginning output nor the Detrended Normal p-p Plots).Examining the histograms and p-p plots describe the dataset, with particular attention toward the assumption of normality. For each day, do you think the responses are reasonably normally distributed? (Just give your impression of the data.) Why or why not?Using the same dataset, and the Frequency command, calculate the standard descriptive measures (mean, median, mode, standard deviation, variance and range) as well as kurtosis and skew for all three hygiene variables. Paste your output into your assignment Word document (you do not need to paste the Frequency Table). What does the output tell you? You will need to comment on: sample size, measures of central tendency and dispersion and well as kurtosis and skewness. You will need to either calculate z scores for skewness and kurtosis or use those given in the book to provide a complete answer. Bottom line: is the assumption of normality met for these three variables? Does this match your visual observations from question #2?Using the dataset SPSSExam.sav, and the Frequency command, calculate: the standard descriptive statistics (mean, median, mode, standard deviation, variance and range) plus skew and kurtosis, and histograms with the normal curve on the following variables: Computer, Exam, Lecture, and Numeracy for the entire dataset. Complete the same analysis using University as a grouping variable. Paste your output into your assignment Word document (you do not need to paste the Frequency Table). What do the results tell you with regard to whether the data are normally distributed?Using the dataset SPSSExam.sav, determine whether the scores on computer literacy and percentage of lectures attended (with University as a grouping variable) meet the assumption of homogeneity of variance (use Levene’s test). You must remember to unclick the “split file” option used above before doing this test. What does the output tell you? (Be as specific as possible.)Describe the assumptions of normality and homogeneity of variance. When these assumptions are violated, what are your options? Are there cases in which the assumptions may technically be violated, yet have no impact on your intended analyses? Explain.
5 pages
Statistics
13.12 The Milwaukee Independent School District (MISD) is concerned with white flight—the withdrawal of white students f ...
Statistics
13.12 The Milwaukee Independent School District (MISD) is concerned with white flight—the withdrawal of white students from MISD. Last year, 63% of ...
Checking for Normal Probability Distribution Questions
Name an example of a real-world data set, not yet mentioned in the course, where you would typically expect to see a norma ...
Checking for Normal Probability Distribution Questions
Name an example of a real-world data set, not yet mentioned in the course, where you would typically expect to see a normal distribution. Be sure to describe what the labels would be for the horizontal and vertical axis of the display. Then explain why you would expect a normal distribution. What range of data values would you expect to represent 1 standard deviation from the mean? (15 points; 10 for your answer, 5 for response to others' comments.)This lesson asked you to investigate what it means for data to fall within 1, 2, and 3 standard deviations from the mean in a variety of normal distribution curves. Imagine that you hold a position on your city council and are in charge of creating new programs to benefit members of your community. In some cases, you must also decide which parts of the population are eligible for enrollment in a given program. How might the concept of standard deviations from the mean be interpreted in your decisions? For example, is it fair to make most programs only available to populations within 1 standard deviation from the mean? Can you imagine cases where you might want to create new programs for people who fall toward the extreme ends of the distribution? Give your opinion as well as some examples. (15 points; 10 for your answer, 5 for response to others' comments.)
Statistics Question
For this Introduction to Quantitative Analysis Assignment, you will explore how to visually display data for optimal use. ...
Statistics Question
For this Introduction to Quantitative Analysis Assignment, you will explore how to visually display data for optimal use. To prepare for this Assignment: Review this week’s Learning Resources and consider visual displays of data. For additional support, review the Skill Builder: Unit of Analysis and the Skill Builder: Levels of Measurement, 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 (whichever you choose) found in this week’s Learning Resources. From the dataset you chose, choose one categorical and one continuous variable and perform the appropriate visual display for each variable. Once you visually display each variable, 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 results and include a copy and paste of the appropriate visual display of the data into your 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 X1SES. Use appropriate APA format. Refer to the APA manual for appropriate citation. Learning Resources Required Readings Frankfort-Nachmias, C., Leon-Guerrero, A., & Davis, G. (2020). Social statistics for a diverse society (9th ed.). Thousand Oaks, CA: Sage Publications. Chapter 2, “The Organization and Graphic Presentation Data” (pp. 27-74) Wagner, III, W. E. (2020). Using IBM® SPSS® statistics for research methods and social science statistics (7th ed.). Thousand Oaks, CA: Sage Publications. Chapter 5, “Charts and Graphs” Chapter 11, “Editing Output” Walden University Writing Center. (n.d.). General guidance on data displays. Retrieved from http://waldenwritingcenter.blogspot.com/2013/02/general-guidance-on-data-displays.html Use this website to guide you as you provide appropriate APA formatting and citations for data displays. Datasets Your instructor will post the datasets for the course in the Doc Sharing section and in an Announcement. Your instructor may also recommend using a different dataset from the ones provided here. Required Media Laureate Education (Producer). (2016j). Visual displays of data [Video file]. Baltimore, MD: Author. Note: The approximate length of this media piece is 9 minutes. In this media program, Dr. Matt Jones discusses frequency distributions. Focus on how his explanation might support your analysis in this week’s Assignment. Accessible player --Downloads-- Download Video w/CC Download Audio Download Transcript Optional Resources Skill Builders: Visual Displays for Continuous VariablesVisual Displays for Categorical Variables To access these Skill Builders, navigate back to your Blackboard Course Home page, and locate “Skill Builders” in the left navigation pane. From there, click on the relevant Skill Builder link for this week. You are encouraged to click through these and all Skill Builders to gain additional practice with these concepts. Doing so will bolster your knowledge of the concepts you’re learning this week and throughout the course.
JKUAT Correlation and Causation Paper
Correlation and causation Write a 800 words paper with 3 references 1.Differentiate between correlation and causation. ...
JKUAT Correlation and Causation Paper
Correlation and causation Write a 800 words paper with 3 references 1.Differentiate between correlation and causation. 2. Explain how each is calculated or tested. 3. What is statistical significance and how does it relate to correlation? 4. Describe how they are used in decision and policymaking. Provide examples to illustrate your understanding
Unit 5: Triangles and Centers Project
Assignment is attached below. While
doing the Unit project, make sure that you clearly show all your work
and do your ...
Unit 5: Triangles and Centers Project
Assignment is attached below. While
doing the Unit project, make sure that you clearly show all your work
and do your best to explain your answers. You will be graded on how well
you show your understanding of the concepts as well as correct answers.
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Assignment understanding and exploring assumptions
You will submit one Word document for this assignment. You will create this Word document by cutting and pasting SPSS outp ...
Assignment understanding and exploring assumptions
You will submit one Word document for this assignment. You will create this Word document by cutting and pasting SPSS output into Word. Name the file in the following format: lastnamefirstinitialPSY7107-6.doc (example: smithbPSY7107-6.doc).Begin by downloading the following SPSS data sets:DownloadFestival.savSPSSExam.savChickFlick.savWhy do we care whether the assumptions required for statistical tests are met? (You might also want to write your answer on a note card you paste to your computer.)Open the data set that you corrected in a previous assignment for DownloadFestival.sav. You will use the following variables: Day1, Day2, and Day3 (hygiene variable for all three days). Create a simple histogram for each variable. Choose to display the normal curve (under Element Properties) and title your charts. Copy these plots into your assignment Word document.Now create probability-probability (p-p) plots for each variable. This output will give you additional information. Read over the Case Processing Summary. Notice that there is missing data for Days 2 and Day 3. Copy only the Normal p-p Plots into your assignment Word document (you do not need to copy the beginning output nor the Detrended Normal p-p Plots).Examining the histograms and p-p plots describe the dataset, with particular attention toward the assumption of normality. For each day, do you think the responses are reasonably normally distributed? (Just give your impression of the data.) Why or why not?Using the same dataset, and the Frequency command, calculate the standard descriptive measures (mean, median, mode, standard deviation, variance and range) as well as kurtosis and skew for all three hygiene variables. Paste your output into your assignment Word document (you do not need to paste the Frequency Table). What does the output tell you? You will need to comment on: sample size, measures of central tendency and dispersion and well as kurtosis and skewness. You will need to either calculate z scores for skewness and kurtosis or use those given in the book to provide a complete answer. Bottom line: is the assumption of normality met for these three variables? Does this match your visual observations from question #2?Using the dataset SPSSExam.sav, and the Frequency command, calculate: the standard descriptive statistics (mean, median, mode, standard deviation, variance and range) plus skew and kurtosis, and histograms with the normal curve on the following variables: Computer, Exam, Lecture, and Numeracy for the entire dataset. Complete the same analysis using University as a grouping variable. Paste your output into your assignment Word document (you do not need to paste the Frequency Table). What do the results tell you with regard to whether the data are normally distributed?Using the dataset SPSSExam.sav, determine whether the scores on computer literacy and percentage of lectures attended (with University as a grouping variable) meet the assumption of homogeneity of variance (use Levene’s test). You must remember to unclick the “split file” option used above before doing this test. What does the output tell you? (Be as specific as possible.)Describe the assumptions of normality and homogeneity of variance. When these assumptions are violated, what are your options? Are there cases in which the assumptions may technically be violated, yet have no impact on your intended analyses? Explain.
5 pages
Statistics
13.12 The Milwaukee Independent School District (MISD) is concerned with white flight—the withdrawal of white students f ...
Statistics
13.12 The Milwaukee Independent School District (MISD) is concerned with white flight—the withdrawal of white students from MISD. Last year, 63% of ...
Checking for Normal Probability Distribution Questions
Name an example of a real-world data set, not yet mentioned in the course, where you would typically expect to see a norma ...
Checking for Normal Probability Distribution Questions
Name an example of a real-world data set, not yet mentioned in the course, where you would typically expect to see a normal distribution. Be sure to describe what the labels would be for the horizontal and vertical axis of the display. Then explain why you would expect a normal distribution. What range of data values would you expect to represent 1 standard deviation from the mean? (15 points; 10 for your answer, 5 for response to others' comments.)This lesson asked you to investigate what it means for data to fall within 1, 2, and 3 standard deviations from the mean in a variety of normal distribution curves. Imagine that you hold a position on your city council and are in charge of creating new programs to benefit members of your community. In some cases, you must also decide which parts of the population are eligible for enrollment in a given program. How might the concept of standard deviations from the mean be interpreted in your decisions? For example, is it fair to make most programs only available to populations within 1 standard deviation from the mean? Can you imagine cases where you might want to create new programs for people who fall toward the extreme ends of the distribution? Give your opinion as well as some examples. (15 points; 10 for your answer, 5 for response to others' comments.)
Statistics Question
For this Introduction to Quantitative Analysis Assignment, you will explore how to visually display data for optimal use. ...
Statistics Question
For this Introduction to Quantitative Analysis Assignment, you will explore how to visually display data for optimal use. To prepare for this Assignment: Review this week’s Learning Resources and consider visual displays of data. For additional support, review the Skill Builder: Unit of Analysis and the Skill Builder: Levels of Measurement, 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 (whichever you choose) found in this week’s Learning Resources. From the dataset you chose, choose one categorical and one continuous variable and perform the appropriate visual display for each variable. Once you visually display each variable, 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 results and include a copy and paste of the appropriate visual display of the data into your 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 X1SES. Use appropriate APA format. Refer to the APA manual for appropriate citation. Learning Resources Required Readings Frankfort-Nachmias, C., Leon-Guerrero, A., & Davis, G. (2020). Social statistics for a diverse society (9th ed.). Thousand Oaks, CA: Sage Publications. Chapter 2, “The Organization and Graphic Presentation Data” (pp. 27-74) Wagner, III, W. E. (2020). Using IBM® SPSS® statistics for research methods and social science statistics (7th ed.). Thousand Oaks, CA: Sage Publications. Chapter 5, “Charts and Graphs” Chapter 11, “Editing Output” Walden University Writing Center. (n.d.). General guidance on data displays. Retrieved from http://waldenwritingcenter.blogspot.com/2013/02/general-guidance-on-data-displays.html Use this website to guide you as you provide appropriate APA formatting and citations for data displays. Datasets Your instructor will post the datasets for the course in the Doc Sharing section and in an Announcement. Your instructor may also recommend using a different dataset from the ones provided here. Required Media Laureate Education (Producer). (2016j). Visual displays of data [Video file]. Baltimore, MD: Author. Note: The approximate length of this media piece is 9 minutes. In this media program, Dr. Matt Jones discusses frequency distributions. Focus on how his explanation might support your analysis in this week’s Assignment. Accessible player --Downloads-- Download Video w/CC Download Audio Download Transcript Optional Resources Skill Builders: Visual Displays for Continuous VariablesVisual Displays for Categorical Variables To access these Skill Builders, navigate back to your Blackboard Course Home page, and locate “Skill Builders” in the left navigation pane. From there, click on the relevant Skill Builder link for this week. You are encouraged to click through these and all Skill Builders to gain additional practice with these concepts. Doing so will bolster your knowledge of the concepts you’re learning this week and throughout the course.
JKUAT Correlation and Causation Paper
Correlation and causation Write a 800 words paper with 3 references 1.Differentiate between correlation and causation. ...
JKUAT Correlation and Causation Paper
Correlation and causation Write a 800 words paper with 3 references 1.Differentiate between correlation and causation. 2. Explain how each is calculated or tested. 3. What is statistical significance and how does it relate to correlation? 4. Describe how they are used in decision and policymaking. Provide examples to illustrate your understanding
Unit 5: Triangles and Centers Project
Assignment is attached below. While
doing the Unit project, make sure that you clearly show all your work
and do your ...
Unit 5: Triangles and Centers Project
Assignment is attached below. While
doing the Unit project, make sure that you clearly show all your work
and do your best to explain your answers. You will be graded on how well
you show your understanding of the concepts as well as correct answers.
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