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RES-845 Week 4 DQ 1 Consider Mary's experiment regarding whether learning of 6th graders, statistics homework help
Mary is planning a study to see if learning of 6th graders on a math lesson is affected by background noise level. She wan ...
RES-845 Week 4 DQ 1 Consider Mary's experiment regarding whether learning of 6th graders, statistics homework help
Mary is planning a study to see if learning of 6th graders on a math lesson is affected by background noise level. She wants to use a t-test for independent groups to analyze her results. Help her plan her study. What is her independent variable (IV) here? Describe two conditions she could create for the IV in her study. What is her dependent variable (DV) here? Describe a way to measure the DV so that each participant would have one score at the end. Would this DV measure be on a continuous scale of measurement? Why is this important? Explain and justify.Please respond to the above question using 250 words. Please also use at least 1 reference that is from a peer reviewed article or journal not a website reference. Please also cite the reference in APA 6th edition format.
BIOS 7000 A T Still University Quantitative & Qualitative Data Discussion
In the M2-M8 Homework Problems and the M9 Data Analysis Project, analyze quantitative and qualitative data using biostatis ...
BIOS 7000 A T Still University Quantitative & Qualitative Data Discussion
In the M2-M8 Homework Problems and the M9 Data Analysis Project, analyze quantitative and qualitative data using biostatistics, informatics, computer-based programming and software, as appropriate. Use the M6 Homework document and the datasets (Levine 2005 / Morgan 2006) to complete these homework problems. You will need to use SPSS to calculate your answers. Please submit your SPSS output and the answers to the homework problems.Competency:3. Analyze quantitative and qualitative data using biostatistics, informatics, computer-based programming and software, as appropriate.Learning Objectives:1. Calculate answers to biostatistic problems, including one- and two-sided hypothesis testing, the relationship between confidence interval and p-values with two samples, null and alternative hypotheses, and two-sample z- and t- tests.2. Apply descriptive techniques commonly used to summarize public health data.3. Apply common statistical methods for inference.4. Interpret results of statistical analyses found in public health studies.5. Describe preferred methodological alternatives to commonly used statistical methods when assumptions are not met.PreviousNext
Walden University Wk 4 Sampling Distributions & Confidence Intervals Paper
In this week, you will explore probability as it relates to an observed occurrence. You also will explore the concept of t ...
Walden University Wk 4 Sampling Distributions & Confidence Intervals Paper
In this week, you will explore probability as it relates to an observed occurrence. You also will explore the concept of the sampling distribution as well as confidence intervals of specific data. Finally, you explore the results of data to determine implications for social change. 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 5, “The Normal Distribution” (pp. 151-177) Chapter 6, “Sampling and Sampling Distributions” (pp. 179-209) Chapter 7, “Estimation” (pp. 211-240) Wagner, III, W. E. (2020). Using IBM® SPSS® statistics for research methods and social science statistics (7th ed.). Thousand Oaks, CA: Sage Publications. Chapter 3, “Selecting and Sampling Cases” Chapter 5, “Charts and Graphs” Chapter 11, “Editing Output” Magnusson, K. (n.d.). Welcome to Kristoffer Magnusson’s blog about R, Statistics, Psychology, Open Science, Data Visualization [blog]. Retrieved from http://rpsychologist.com/index.html As you review this web blog, select the Interpreting Confidence Intervals – new d3.js visualization link, once you select the link, follow the instructions to view the interactive for confidence intervals. This interactive will help you to visualize and understand confidence intervals. Note: This is Kristoffer Magnusson’s personal blog and his views may not necessarily reflect the views of Walden University faculty. Walden University Library. (n.d.). Course Guide and Assignment Help for RSCH 8210. Retrieved from http://academicguides.waldenu.edu/rsch8210 For help with this week’s research, see this Course Guide and related weekly assignment resources. 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. Optional Resources Rice University, University of Houston Clear Lake, and Tufts University. (n.d.). Online Statistics Education: An Interactive Multimedia Course of Study. Retrieved from http://onlinestatbook.com/2/estimation/ci_sim.html Use this website for your practice as you consider confidence intervals and how the width changes. Also, consider why the width might be important. Skill Builders: Confidence Intervals Sampling Distributions 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. Discussion: The Importance of Relationships As its name implies, confidence intervals provide a range of values, along with a level of confidence, to serve as an estimate of some unknown population value. Since it is rare to have access to the entire population, you must frequently rely on the confidence interval of the sample to make some inference about the population of interest. Before making accurate inferences to the population, we need to fully understand how the three key components of the interval—variability in the data, sample size, and confidence level—impact the width of the interval. For this Discussion, you will explore the relationship between these components and understand the trade-off between reducing risk in our confidence of estimates and increasing precision. To prepare for this Discussion: Review Chapters 6 and 7 of the Frankfort-Nachmias & Leon-Guerrero text and in Chapter 7, p. 188, consider Hispanic migration and earnings and focus on how different levels of confidence and sample size work together. Review Magnusson’s web blog found in the Learning Resources to further your visualization and understanding of confidence intervals. Use the Course Guide and Assignment Help found in this week’s Learning Resources to search for a quantitative article related to confidence intervals. Using the SPSS software, General Social Survey dataset and choose a quantitative variable that interests you. Using SPSS: Take a random sample of 100. Calculate the 95% confidence interval for the variable. Calculate a 90% confidence interval. Take another random sample of 400. Calculate the 95% confidence interval for the variable. Calculate a 90% confidence interval. Post your results, the mean of Age to verify the dataset you used, and an explanation of how different levels of confidence and sample size affect the width of the confidence interval. Next, consider the statement, “Confidence intervals are underutilized” and explain what the implications might be of using or not using confidence intervals. Provide examples based on the results of your data. Also, use your research to support your findings.
University of Phoenix Use of Public Key Cryptosystem Paper Project
RSA is the most widely used public key cryptosystem. In this discussion, you will apply RSA to post and read messages. For ...
University of Phoenix Use of Public Key Cryptosystem Paper Project
RSA is the most widely used public key cryptosystem. In this discussion, you will apply RSA to post and read messages. For this reflection discussion, use the prime numbers p = 3 and q = 11.Using the public key e = 3, post a phrase about something that you found interesting or relevant in this course. Include only letters and spaces in your phrase. Represent the letters A through Z by using the numbers 01 through 26, and represent a space by the number 32. Treat upper case and lower case letters as the same.Optional: If you want to include punctuation characters, you can use the numbers 27 through 31 for that, but you must inform your classmates that you did.How did you calculate your value for d? As a check, the phrase “A CAB” would be represented by “01 32 03 01 02” and would be encrypted as “01 32 27 01 08”.
Week Three Application Assignment
Week Three - Application AssignmentAnswer the following questions in a Word document and upload the document to the approp ...
Week Three Application Assignment
Week Three - Application AssignmentAnswer the following questions in a Word document and upload the document to the appropriate drop box.1) A museum borrows $2,000,000 at simple annual interest to purchase new exhibits. Let x represent the amount borrowed at 7%, y represent the amount borrowed at 8.5%, and z represent the amount borrowed at 9.5%. Set up a system of linear equations to determine how much is borrowed at each rate given that the total annual interest is $169,750 and the amount borrowed at 8.5% is four times the amount borrowed at 9.5%. You do not have to solve the system.2) At a local store, the numbers of gallons of skim milk, 2% milk, and whole milk sold over the weekend are represented by a matrix A. Skim 2% Whole Friday 40 64 52 Saturday 60 82 76 Sunday 76 96 84The selling prices per gallon and the profits per gallon for the three types of milk are represented by B. Selling price Profit Skim $3.45 $1.20 2% $3.65 $1.30 Whole $3.85 $1.45 a) Compute AB and interpret the result. b) Find the store's total profit from milk sales for the weekend3) A florist is creating 10 centerpieces. Roses cost $2.50 each, lilies cost $4 each, and irises cost $2 each. A customer plans on spending $300 on 10 centerpieces with each centerpiece containing 12 flowers, with twice as many roses as the number of irises and lilies combined. a) Write a system of linear equations that represents the situation. Then write a matrix equation that corresponds to your system. b) Find the number of flowers of each type that the florist can use to create the 10 centerpieces.4) One hundred liters of a 50% solution of a chemical mixture is obtained by mixing a 60% solution with a 20% solution. Using a system of linear equations determine how many liters of each solution are required to obtain the 50% mixture. Solve the system using matrices.
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RES-845 Week 4 DQ 1 Consider Mary's experiment regarding whether learning of 6th graders, statistics homework help
Mary is planning a study to see if learning of 6th graders on a math lesson is affected by background noise level. She wan ...
RES-845 Week 4 DQ 1 Consider Mary's experiment regarding whether learning of 6th graders, statistics homework help
Mary is planning a study to see if learning of 6th graders on a math lesson is affected by background noise level. She wants to use a t-test for independent groups to analyze her results. Help her plan her study. What is her independent variable (IV) here? Describe two conditions she could create for the IV in her study. What is her dependent variable (DV) here? Describe a way to measure the DV so that each participant would have one score at the end. Would this DV measure be on a continuous scale of measurement? Why is this important? Explain and justify.Please respond to the above question using 250 words. Please also use at least 1 reference that is from a peer reviewed article or journal not a website reference. Please also cite the reference in APA 6th edition format.
BIOS 7000 A T Still University Quantitative & Qualitative Data Discussion
In the M2-M8 Homework Problems and the M9 Data Analysis Project, analyze quantitative and qualitative data using biostatis ...
BIOS 7000 A T Still University Quantitative & Qualitative Data Discussion
In the M2-M8 Homework Problems and the M9 Data Analysis Project, analyze quantitative and qualitative data using biostatistics, informatics, computer-based programming and software, as appropriate. Use the M6 Homework document and the datasets (Levine 2005 / Morgan 2006) to complete these homework problems. You will need to use SPSS to calculate your answers. Please submit your SPSS output and the answers to the homework problems.Competency:3. Analyze quantitative and qualitative data using biostatistics, informatics, computer-based programming and software, as appropriate.Learning Objectives:1. Calculate answers to biostatistic problems, including one- and two-sided hypothesis testing, the relationship between confidence interval and p-values with two samples, null and alternative hypotheses, and two-sample z- and t- tests.2. Apply descriptive techniques commonly used to summarize public health data.3. Apply common statistical methods for inference.4. Interpret results of statistical analyses found in public health studies.5. Describe preferred methodological alternatives to commonly used statistical methods when assumptions are not met.PreviousNext
Walden University Wk 4 Sampling Distributions & Confidence Intervals Paper
In this week, you will explore probability as it relates to an observed occurrence. You also will explore the concept of t ...
Walden University Wk 4 Sampling Distributions & Confidence Intervals Paper
In this week, you will explore probability as it relates to an observed occurrence. You also will explore the concept of the sampling distribution as well as confidence intervals of specific data. Finally, you explore the results of data to determine implications for social change. 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 5, “The Normal Distribution” (pp. 151-177) Chapter 6, “Sampling and Sampling Distributions” (pp. 179-209) Chapter 7, “Estimation” (pp. 211-240) Wagner, III, W. E. (2020). Using IBM® SPSS® statistics for research methods and social science statistics (7th ed.). Thousand Oaks, CA: Sage Publications. Chapter 3, “Selecting and Sampling Cases” Chapter 5, “Charts and Graphs” Chapter 11, “Editing Output” Magnusson, K. (n.d.). Welcome to Kristoffer Magnusson’s blog about R, Statistics, Psychology, Open Science, Data Visualization [blog]. Retrieved from http://rpsychologist.com/index.html As you review this web blog, select the Interpreting Confidence Intervals – new d3.js visualization link, once you select the link, follow the instructions to view the interactive for confidence intervals. This interactive will help you to visualize and understand confidence intervals. Note: This is Kristoffer Magnusson’s personal blog and his views may not necessarily reflect the views of Walden University faculty. Walden University Library. (n.d.). Course Guide and Assignment Help for RSCH 8210. Retrieved from http://academicguides.waldenu.edu/rsch8210 For help with this week’s research, see this Course Guide and related weekly assignment resources. 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. Optional Resources Rice University, University of Houston Clear Lake, and Tufts University. (n.d.). Online Statistics Education: An Interactive Multimedia Course of Study. Retrieved from http://onlinestatbook.com/2/estimation/ci_sim.html Use this website for your practice as you consider confidence intervals and how the width changes. Also, consider why the width might be important. Skill Builders: Confidence Intervals Sampling Distributions 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. Discussion: The Importance of Relationships As its name implies, confidence intervals provide a range of values, along with a level of confidence, to serve as an estimate of some unknown population value. Since it is rare to have access to the entire population, you must frequently rely on the confidence interval of the sample to make some inference about the population of interest. Before making accurate inferences to the population, we need to fully understand how the three key components of the interval—variability in the data, sample size, and confidence level—impact the width of the interval. For this Discussion, you will explore the relationship between these components and understand the trade-off between reducing risk in our confidence of estimates and increasing precision. To prepare for this Discussion: Review Chapters 6 and 7 of the Frankfort-Nachmias & Leon-Guerrero text and in Chapter 7, p. 188, consider Hispanic migration and earnings and focus on how different levels of confidence and sample size work together. Review Magnusson’s web blog found in the Learning Resources to further your visualization and understanding of confidence intervals. Use the Course Guide and Assignment Help found in this week’s Learning Resources to search for a quantitative article related to confidence intervals. Using the SPSS software, General Social Survey dataset and choose a quantitative variable that interests you. Using SPSS: Take a random sample of 100. Calculate the 95% confidence interval for the variable. Calculate a 90% confidence interval. Take another random sample of 400. Calculate the 95% confidence interval for the variable. Calculate a 90% confidence interval. Post your results, the mean of Age to verify the dataset you used, and an explanation of how different levels of confidence and sample size affect the width of the confidence interval. Next, consider the statement, “Confidence intervals are underutilized” and explain what the implications might be of using or not using confidence intervals. Provide examples based on the results of your data. Also, use your research to support your findings.
University of Phoenix Use of Public Key Cryptosystem Paper Project
RSA is the most widely used public key cryptosystem. In this discussion, you will apply RSA to post and read messages. For ...
University of Phoenix Use of Public Key Cryptosystem Paper Project
RSA is the most widely used public key cryptosystem. In this discussion, you will apply RSA to post and read messages. For this reflection discussion, use the prime numbers p = 3 and q = 11.Using the public key e = 3, post a phrase about something that you found interesting or relevant in this course. Include only letters and spaces in your phrase. Represent the letters A through Z by using the numbers 01 through 26, and represent a space by the number 32. Treat upper case and lower case letters as the same.Optional: If you want to include punctuation characters, you can use the numbers 27 through 31 for that, but you must inform your classmates that you did.How did you calculate your value for d? As a check, the phrase “A CAB” would be represented by “01 32 03 01 02” and would be encrypted as “01 32 27 01 08”.
Week Three Application Assignment
Week Three - Application AssignmentAnswer the following questions in a Word document and upload the document to the approp ...
Week Three Application Assignment
Week Three - Application AssignmentAnswer the following questions in a Word document and upload the document to the appropriate drop box.1) A museum borrows $2,000,000 at simple annual interest to purchase new exhibits. Let x represent the amount borrowed at 7%, y represent the amount borrowed at 8.5%, and z represent the amount borrowed at 9.5%. Set up a system of linear equations to determine how much is borrowed at each rate given that the total annual interest is $169,750 and the amount borrowed at 8.5% is four times the amount borrowed at 9.5%. You do not have to solve the system.2) At a local store, the numbers of gallons of skim milk, 2% milk, and whole milk sold over the weekend are represented by a matrix A. Skim 2% Whole Friday 40 64 52 Saturday 60 82 76 Sunday 76 96 84The selling prices per gallon and the profits per gallon for the three types of milk are represented by B. Selling price Profit Skim $3.45 $1.20 2% $3.65 $1.30 Whole $3.85 $1.45 a) Compute AB and interpret the result. b) Find the store's total profit from milk sales for the weekend3) A florist is creating 10 centerpieces. Roses cost $2.50 each, lilies cost $4 each, and irises cost $2 each. A customer plans on spending $300 on 10 centerpieces with each centerpiece containing 12 flowers, with twice as many roses as the number of irises and lilies combined. a) Write a system of linear equations that represents the situation. Then write a matrix equation that corresponds to your system. b) Find the number of flowers of each type that the florist can use to create the 10 centerpieces.4) One hundred liters of a 50% solution of a chemical mixture is obtained by mixing a 60% solution with a 20% solution. Using a system of linear equations determine how many liters of each solution are required to obtain the 50% mixture. Solve the system using matrices.
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