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Updated Stat Assignment 4
Note: You are required to fill your full name, ID and CRN. 1. Find the best predicted systolic blood pressure in the left ...
Updated Stat Assignment 4
Note: You are required to fill your full name, ID and CRN. 1. Find the best predicted systolic blood pressure in the left arm given that the systolic
Unit 14- Written Assignment 11: Factor Analysis
InstructionsLoad the data file unit 14_SPSSHW11_data.sav. A psychologist was interested in whether a mindfulness questionn ...
Unit 14- Written Assignment 11: Factor Analysis
InstructionsLoad the data file unit 14_SPSSHW11_data.sav. A psychologist was interested in whether a mindfulness questionnaire measures a single underlying construct, or whether there is more than one underlying construct. The questionnaire contained 15 items each requiring a response in the range 1 to 6. The responses of 95 participants to the 15 items are coded in the variables s1q1 to s1q15. In order to answer the question above, carry out a principal component analysis with direct oblimin rotation and do the following:1. Describe the factor structure of the questionnaire.a. How many components have eigenvalue greater than one? (2 points)b. How much variance is accounted for? (2 points)c. Consider the scree plot: how many components does that suggest? (2 points)d. Write a brief results section, including a suitable table, to report which items load on each component. (2 points)e. Label the resulting factors based on the items you identified as loading onto them. (2 points)2. Alter the analysis to force a single-factor solution and report the results. Which questions should you throw out? Which questions is loaded the strongest? (5 points)3. Save and submit the SPSS syntax and output files used to complete items 1-2. The file names should begin with your first and last name followed by the homework number (e.g., John Doe HW11.sps; John Doe HW11.spv). (5 points [you read that correctly]
Walden University Week 11 Use of the Chi Squared Test Statistic Discussion Paper
For this Assignment, you will consider three different scenarios. Each of these scenarios include a research question. You ...
Walden University Week 11 Use of the Chi Squared Test Statistic Discussion Paper
For this Assignment, you will consider three different scenarios. Each of these scenarios include a research question. You will examine each scenario, choose a categorical data analysis and run a sample test. To prepare for this Assignment: Review Chapters 10 and 11 of the Frankfort-Nachmias & Leon-Guerrero course text and the media program found in this week’s Learning Resources related to bivariate categorical tests. Using the SPSS software, open the Afrobarometer dataset found in this week’s Learning Resources. Next, review the Chi Square Scenarios found in this week’s Learning Resources and consider each research scenario for this Assignment. Based on the dataset you chose and for each research scenario provided, using the SPSS software, choose a categorical data analysis and run a sample test. Once you perform your categorical data analysis, 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 1- to 2-paragraph analysis of your categorical data results for each research scenario. If you are using the Afrobarometer Dataset, report the mean of Q1 (Age). In your analysis, display the data for the 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 question, and display of output. Learning Resources Required Readings Wagner, III, W. E. (2020). Using IBM® SPSS® statistics for research methods and social science statistics (7th ed.). Thousand Oaks, CA: Sage Publications. Chapter 7, "Cross-Tabulation and Measures of Association for Nominal and Ordinal Variables"Chapter 11, "Editing Output" (previously read in Week 2, 3, 4, 5. 6, 7, and 8) Frankfort-Nachmias, C., Leon-Guerrero, A., & Davis, G. (2020). Social statistics for a diverse society (9th ed.). Thousand Oaks, CA: Sage Publications. Chapter 9, “Bivariate Tables” (pp. 281-325)Chapter 10, “The Chi-Square Test and Measures of Association” (pp. 327-373) Document: Chi Square Scenarios (PDF) Use these scenarios to complete your Assignment for this week. Required Media Laureate Education (Producer). (2016a). Bivariate categorical tests [Video file]. Baltimore, MD: Author. Note: The approximate length of this media piece is 5 minutes. In this media program, Dr. Matt Jones demonstrates bivariate categorical tests using the SPSS software. Accessible player --Downloads-- Download Video w/CC Download Audio Download Transcript Optional Resources Klingenberg, B. (2016). The Chi-squared test. Retrieved from https://istats.shinyapps.io/ChiSquaredTest/ Use the following app/weblink to enter your own data and obtain an interactive visual display.
statistical inference, assignment help
Suppose that there are two (2) candidates (i.e., Jones and Johns) in the upcoming presidential election. Sara notes that ...
statistical inference, assignment help
Suppose that there are two (2) candidates (i.e., Jones and Johns) in the upcoming presidential election. Sara notes that she has discussed the presidential election candidates with 15 friends, and 10 said that they are voting for candidate Jones. Sara is therefore convinced that candidate Jones will win the election because Jones gets more than 50% of votes.Answer the following questions in the space provided below:Based on what you now know about statistical inference, is Sara’s conclusion a logical conclusion? Why or why not?How many friend samples Sara should have in order to draw the conclusion with 95% confidence interval? Why?How would you explain your conclusion to Sara without using any statistical jargon? Why?
Regression analysis of these data
Kong et al. (2012) studied mutation rates in Icelandic
children, specifically looking at mutations in single nucleotide ...
Regression analysis of these data
Kong et al. (2012) studied mutation rates in Icelandic
children, specifically looking at mutations in single nucleotide polymorphisms
(SNPs). As part of this study, they also recorded the age (in years) of the
mother and the father. Part of their data are given below:
Father's Age
# of SNP Mutations
16
39
18
41
20
39
19
49
22
50
24
54
24
55
24
61
25
57
28
52
29
54
30
57
32
61
37
67
36
70
34
77
30
83
29
67
33
68
26
54
33
65
A)
If you were to do a regression analysis of these data,
which would be the dependent variable and which would be the independent
variable? Explain your reasoning!
B)
What is the regression equation for the relationship
between these two variables? For this part, I want you to show me the steps
you’d take to calculate the slope and the Y-intercept. You can check your
results using Excel or some other program, but you will not get full credit if
you simply give me the equation as generated by Excel or another program. (This
is all a fancy way of saying you need to calculate this part by hand!).
C)
Determine whether the slope of this equation is
significantly different from zero, using a regression ANOVA approach.
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Most Popular Content
8 pages
Updated Stat Assignment 4
Note: You are required to fill your full name, ID and CRN. 1. Find the best predicted systolic blood pressure in the left ...
Updated Stat Assignment 4
Note: You are required to fill your full name, ID and CRN. 1. Find the best predicted systolic blood pressure in the left arm given that the systolic
Unit 14- Written Assignment 11: Factor Analysis
InstructionsLoad the data file unit 14_SPSSHW11_data.sav. A psychologist was interested in whether a mindfulness questionn ...
Unit 14- Written Assignment 11: Factor Analysis
InstructionsLoad the data file unit 14_SPSSHW11_data.sav. A psychologist was interested in whether a mindfulness questionnaire measures a single underlying construct, or whether there is more than one underlying construct. The questionnaire contained 15 items each requiring a response in the range 1 to 6. The responses of 95 participants to the 15 items are coded in the variables s1q1 to s1q15. In order to answer the question above, carry out a principal component analysis with direct oblimin rotation and do the following:1. Describe the factor structure of the questionnaire.a. How many components have eigenvalue greater than one? (2 points)b. How much variance is accounted for? (2 points)c. Consider the scree plot: how many components does that suggest? (2 points)d. Write a brief results section, including a suitable table, to report which items load on each component. (2 points)e. Label the resulting factors based on the items you identified as loading onto them. (2 points)2. Alter the analysis to force a single-factor solution and report the results. Which questions should you throw out? Which questions is loaded the strongest? (5 points)3. Save and submit the SPSS syntax and output files used to complete items 1-2. The file names should begin with your first and last name followed by the homework number (e.g., John Doe HW11.sps; John Doe HW11.spv). (5 points [you read that correctly]
Walden University Week 11 Use of the Chi Squared Test Statistic Discussion Paper
For this Assignment, you will consider three different scenarios. Each of these scenarios include a research question. You ...
Walden University Week 11 Use of the Chi Squared Test Statistic Discussion Paper
For this Assignment, you will consider three different scenarios. Each of these scenarios include a research question. You will examine each scenario, choose a categorical data analysis and run a sample test. To prepare for this Assignment: Review Chapters 10 and 11 of the Frankfort-Nachmias & Leon-Guerrero course text and the media program found in this week’s Learning Resources related to bivariate categorical tests. Using the SPSS software, open the Afrobarometer dataset found in this week’s Learning Resources. Next, review the Chi Square Scenarios found in this week’s Learning Resources and consider each research scenario for this Assignment. Based on the dataset you chose and for each research scenario provided, using the SPSS software, choose a categorical data analysis and run a sample test. Once you perform your categorical data analysis, 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 1- to 2-paragraph analysis of your categorical data results for each research scenario. If you are using the Afrobarometer Dataset, report the mean of Q1 (Age). In your analysis, display the data for the 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 question, and display of output. Learning Resources Required Readings Wagner, III, W. E. (2020). Using IBM® SPSS® statistics for research methods and social science statistics (7th ed.). Thousand Oaks, CA: Sage Publications. Chapter 7, "Cross-Tabulation and Measures of Association for Nominal and Ordinal Variables"Chapter 11, "Editing Output" (previously read in Week 2, 3, 4, 5. 6, 7, and 8) Frankfort-Nachmias, C., Leon-Guerrero, A., & Davis, G. (2020). Social statistics for a diverse society (9th ed.). Thousand Oaks, CA: Sage Publications. Chapter 9, “Bivariate Tables” (pp. 281-325)Chapter 10, “The Chi-Square Test and Measures of Association” (pp. 327-373) Document: Chi Square Scenarios (PDF) Use these scenarios to complete your Assignment for this week. Required Media Laureate Education (Producer). (2016a). Bivariate categorical tests [Video file]. Baltimore, MD: Author. Note: The approximate length of this media piece is 5 minutes. In this media program, Dr. Matt Jones demonstrates bivariate categorical tests using the SPSS software. Accessible player --Downloads-- Download Video w/CC Download Audio Download Transcript Optional Resources Klingenberg, B. (2016). The Chi-squared test. Retrieved from https://istats.shinyapps.io/ChiSquaredTest/ Use the following app/weblink to enter your own data and obtain an interactive visual display.
statistical inference, assignment help
Suppose that there are two (2) candidates (i.e., Jones and Johns) in the upcoming presidential election. Sara notes that ...
statistical inference, assignment help
Suppose that there are two (2) candidates (i.e., Jones and Johns) in the upcoming presidential election. Sara notes that she has discussed the presidential election candidates with 15 friends, and 10 said that they are voting for candidate Jones. Sara is therefore convinced that candidate Jones will win the election because Jones gets more than 50% of votes.Answer the following questions in the space provided below:Based on what you now know about statistical inference, is Sara’s conclusion a logical conclusion? Why or why not?How many friend samples Sara should have in order to draw the conclusion with 95% confidence interval? Why?How would you explain your conclusion to Sara without using any statistical jargon? Why?
Regression analysis of these data
Kong et al. (2012) studied mutation rates in Icelandic
children, specifically looking at mutations in single nucleotide ...
Regression analysis of these data
Kong et al. (2012) studied mutation rates in Icelandic
children, specifically looking at mutations in single nucleotide polymorphisms
(SNPs). As part of this study, they also recorded the age (in years) of the
mother and the father. Part of their data are given below:
Father's Age
# of SNP Mutations
16
39
18
41
20
39
19
49
22
50
24
54
24
55
24
61
25
57
28
52
29
54
30
57
32
61
37
67
36
70
34
77
30
83
29
67
33
68
26
54
33
65
A)
If you were to do a regression analysis of these data,
which would be the dependent variable and which would be the independent
variable? Explain your reasoning!
B)
What is the regression equation for the relationship
between these two variables? For this part, I want you to show me the steps
you’d take to calculate the slope and the Y-intercept. You can check your
results using Excel or some other program, but you will not get full credit if
you simply give me the equation as generated by Excel or another program. (This
is all a fancy way of saying you need to calculate this part by hand!).
C)
Determine whether the slope of this equation is
significantly different from zero, using a regression ANOVA approach.
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