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I have to do polynomials
my question is 1/4 p^3 + 2/3 p^3
My answer is 11p3/12
How come I have to put p^3 on the numerator but not the denominator? If the exponent is positive is goes on top always, if not then bring it down and make it positive?
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RSCH 8310 WU Qualitative Study Discussion
Discussion 2: Considerations in Designing a Qualitative Study
Using what you have learned about your topic from your liter ...
RSCH 8310 WU Qualitative Study Discussion
Discussion 2: Considerations in Designing a Qualitative Study
Using what you have learned about your topic from your literature search, you are working towards formulating a research purpose and question. Note that in the Learning Resources for this week, the language of qualitative research is incorporated into how the research purpose and question is formulated. Here are some basic do’s and don’ts.
Quantitative (Don’ts)
Qualitative (Do’s)
Predict
Examine differences, effects, or impact
Correlate
Analyze
Explore
Understand
Describe
Variables
Indicators
Measures
Experience
Meaning
Essence
Narrative
Hypotheses
Broad, open-ended questions
For example, in the ongoing scenario for each of the weeks of this course, the qualitative research question is formulated based on:
DO: The purpose of this study is to understand the narratives of childcare and support in families in impoverished communities.
DO: What is the meaning of a “well-behaved child” to early childhood caregivers in impoverished neighborhoods?
While as in this example, the research question is formulated based on quantitative information
DON’T: The purpose of this study is to examine the demographic and family factors that predict the use of childcare services in impoverished communities.
DON’T: What are the differences in early childhood social skill acquisition between children that do receive childcare services and those that do not?
For this Discussion, you will examine qualitative research as it relates to qualitative design considerations.
To prepare for this Discussion:
Review the Learning Resources and the Fundamentals of Qualitative Research Methods: Developing a Qualitative Research Question video and consider the basic guidelines for qualitative research design.
Use the Course Guide and Assignment Help found in this week’s Learning Resources and search for a qualitative research article. (Note: This article should be the research article you are using for your Major Assignment 1.)
Review the qualitative research article you found and identify each of the components of the research design and consider what is present and what is missing.
Identify what the authors did to document positionality, reflexivity, and bias.
By Day 4
Transform your notes from your preparation work into three paragraphs and post the following:
A brief statement of the purpose and primary research question the article addresses
An assessment of how thoroughly the research design was presented, including what was missing
An assessment of the extent of the researcher’s presentation of positionality, reflexivity, and bias
Fundamentals of Qualitative Research Methods: Developing a Qualitative Research Question (Module 2) - YouTube
BUS 308 Week 4 Statistics Correlations Problems
Assignment file and week four lectures attached. Please ask any questions and provide original work.Week 4 Problem SetLet� ...
BUS 308 Week 4 Statistics Correlations Problems
Assignment file and week four lectures attached. Please ask any questions and provide original work.Week 4 Problem SetLet’s look at some other factors that might influence pay. In the Student Assignment File Week 4 tab, complete the problems included, and submit your work in an Excel document. See Where Is Help Button in Microsoft Excel 2007, 2010, 2013 and 2016 (Links to an external site.)Links to an external site., Load the Analysis ToolPak (Links to an external site.)Links to an external site., and Use the Analysis ToolPak to Perform Complex Data Analysis (Links to an external site.)Links to an external site. for more information on how to use the required technologies for the course. Be sure to show all of your work and clearly label all calculations.All statistical calculations will use the data found in the Data tab in the Student assignment file.
7 pages
Quality Improvement Proposal
With the economic recession brought about by the invasion of SARS and AIDS, the healthcare systems all over the world have ...
Quality Improvement Proposal
With the economic recession brought about by the invasion of SARS and AIDS, the healthcare systems all over the world have received one of the ...
MATH 160 Grossmont College Elementary Statistics Worksheet
You need to download the ebook in order to do the Homework
Link for the ebook. its for FREE: https://openstax.org/details/ ...
MATH 160 Grossmont College Elementary Statistics Worksheet
You need to download the ebook in order to do the Homework
Link for the ebook. its for FREE: https://openstax.org/details/books/introductory-statistics?Book%20details
UMGC Agency Leadership Worksheet
A federal government agency that is responsible for setting vehicle fuel economy standards for automobile manufacturers is ...
UMGC Agency Leadership Worksheet
A federal government agency that is responsible for setting vehicle fuel economy standards for automobile manufacturers is conducting research in order to update its fuel economy standards for the year 2030. Automobile manufacturers, and consumers, are highly interested in what the agency's findings and determinations will be as this will affect every vehicle in the United States. The federal government agency is very interested in the relationship between the weight of a vehicle and the vehicle's fuel economy (average miles per gallon (MPG)). Specifically, the agency is concerned that if the current trend of automobile manufacturers producing heavier new vehicles continues that its fuel economy targets will not be met. The agency's research department recently collected data for analysis in order to support the agency's upcoming discussion with the industry regarding its proposed 2030 fuel economy standards. The average MPG from a random sample of 750 vehicles was recently calculated by the agency. The research division also collected the vehicle weight of these 750 randomly sampled vehicles. The Vehicle Number, Type, Vehicle Weight, Average MPG, Fuel Tank Size (Gallons), Engine Size (Liters), and Meet or Not Meet Current Standards data were collected for these 750 vehicles1. Agency leadership wants to create a simple linear regression model to predict a vehicle's average fuel economy based on the weight of the vehicle.Create a scatterplot using Vehicle Weight as the independent variable and Average MPG as the dependent variable. Perform a visual analysis of the data: describe the trend, strength, and shape of the relationship between these two variables. Choose the correct answer below.A. The scatterplot indicates there is a positive, strong, linear relationship between Vehicle Weight and Average MPG.B. The scatterplot indicates there is a positive, weak, linear relationship between Vehicle Weight and Average MPG.C. The scatterplot indicates there is a negative, strong, linear relationship between Vehicle Weight and Average MPG D. The scatterplot indicates there is a negative, weak, linear relationship between Vehicle Weight and Average MPG.E.The scatterplot indicates there is no relationship between Vehicle Weight and Average MPG.1.1. Include the scatterplot image as part of your answer. Save the image as a .jpg or .png file, then click "Show Work" and use the "Insert Image" button to upload and save your scatterplot.1.2. Based upon your visual analysis of the scatterplot, is simple linear regression appropriate? Why or why not?2. What is the correlation coefficient between Vehicle Weight and Average MPG? (Round to two decimal places)2.1. Interpret the correlation coefficient in this context.3. Using your simple linear regression model, what is the value for the slope for this regression model? (Round to decimal places)3.1. Interpret the slope in this context.4. Using your simple linear regression model, what is the value for the y-intercept for this regression model? (Round to two decimal places)4.1. Interpret the y-intercept in this context.5. Using your simple linear regression model, for each one pound increase in vehicle weight, how much would one predict the vehicle's average fuel economy to decrease? (Round to three decimal places)5.1. Using your simple linear regression model, what is the predicted Average MPG of a vehicle when the Vehicle Weight is 2700 pounds (round the slope to 3 decimal places and y-intercept to 2 decimal places)?5.2. Based upon your simple linear regression, should the agency's leadership be concerned that if new vehicles continue to be produced with heavier weights that its goal of better fuel economy will be jeopardized?6. Another facet of the weight of the car is the question of whether or not weight differs for cars that meet standards and those that do not. Create a side-by-side boxplot of the weight of cars, distinguishing between cars that meet standards and those that do not.Include the side-by-side boxplot image as part of your answer. Save the image as a .jpg or .png file, then click "Show Work" and use the "Insert Image" button to upload and save your boxplot.6.1. Describe and interpret the shapes of the two boxplots.7. One typically expects that e.g. trucks have a different fuel efficiency than passenger cars. That could be tested by a two-sample t-test, but we do not have two types of cars, but more than two. Our two-sample test won't help to compare passenger cars, SUVs, and trucks. As such, conduct an ANOVA F-test to investigate if the average fuel efficiency of cars differs between the three types of cars.Now run the One Way ANOVA. What is the value of the test statistic of this ANOVA test?Test statistic = (Round to two decimal places)7.1. What are the degrees of freedom of the test statistic of the ANOVA test?Degrees of Freedom (Total)= (Type a whole number)7.2. What is the P-value of the test statistic of the ANOVA test?P-value= (Round to three decimal places)7.3. Describe in your own words what you conclude from the outcome of this ANOVA test. Is it in line with the expectations you had?8. One typically expects that e.g. trucks have a different fuel efficiency than passenger cars. That could be tested by a two-sample t-test, but we do not have two types of cars, but more than two. Our two-sample test won't help to compare passenger cars, SUVs, and trucks.If we wish to investigate if the average fuel efficiency of cars differs between the three types of cars, what type of analysis do we need?A.Two-sample t-testB.χ2 test for independenceC. ANOVA F-testD. χ2 test for homogeneity8.1. What is the null hypothesis of the test that there is no difference in fuel efficiency between the types of cars?A. All medians of fuel efficiency are equal for the three types of carsB. All means of fuel efficiency are equal for the three types of carsC. At least one means of fuel efficiency differs from the means of the other two types of carD. All three means of fuel efficiency are different for the three types of cars8.2. What is the alternative hypothesis of the test that there is no difference in fuel efficiency between the types of cars?A. All means of fuel efficiency are equal for the three types of carsB. All medians of fuel efficiency are equal for the three types of carsC. All three means of fuel efficiency are different for the three types of carsD. At least one means of fuel efficiency differs from the means of the other two types of cars8.3. Create side-by-side boxplots in StatCrunch. What type of car has the highest variability in fuel efficiency (judge by the graph, do not calculate)?A.TrucksB. Passenger carsC. SUVs8.4. And again looking at the side-by-side boxplot only, without yet doing any calculations: do you expect to find significant differences in mean fuel efficiency between the types of cars?A. No, because differences in medians are small.B. No, because differences in medians are small relative to the amount of variation within each type.C. Yes, because differences in medians are small relative to the amount of variation within each type.D. Yes, because differences in medians are small.
MTH Miami University Differential Equations with Boundary Value Problems
Differential Equations with Boundary Value Problems, 9th Editionhttp://instructor.sdu.edu.kz/~merey/DIFFERENTIAL%2...May 1 ...
MTH Miami University Differential Equations with Boundary Value Problems
Differential Equations with Boundary Value Problems, 9th Editionhttp://instructor.sdu.edu.kz/~merey/DIFFERENTIAL%2...May 10 at 3 pm to 4:30 PM Eastern timesec 7.2 problemssec 7.4 problemsec 7.5 problemssec 2.1 problemssec 2.4 problem sec 4.6 problem sec 5.1 problemssec 3.1 problem
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RSCH 8310 WU Qualitative Study Discussion
Discussion 2: Considerations in Designing a Qualitative Study
Using what you have learned about your topic from your liter ...
RSCH 8310 WU Qualitative Study Discussion
Discussion 2: Considerations in Designing a Qualitative Study
Using what you have learned about your topic from your literature search, you are working towards formulating a research purpose and question. Note that in the Learning Resources for this week, the language of qualitative research is incorporated into how the research purpose and question is formulated. Here are some basic do’s and don’ts.
Quantitative (Don’ts)
Qualitative (Do’s)
Predict
Examine differences, effects, or impact
Correlate
Analyze
Explore
Understand
Describe
Variables
Indicators
Measures
Experience
Meaning
Essence
Narrative
Hypotheses
Broad, open-ended questions
For example, in the ongoing scenario for each of the weeks of this course, the qualitative research question is formulated based on:
DO: The purpose of this study is to understand the narratives of childcare and support in families in impoverished communities.
DO: What is the meaning of a “well-behaved child” to early childhood caregivers in impoverished neighborhoods?
While as in this example, the research question is formulated based on quantitative information
DON’T: The purpose of this study is to examine the demographic and family factors that predict the use of childcare services in impoverished communities.
DON’T: What are the differences in early childhood social skill acquisition between children that do receive childcare services and those that do not?
For this Discussion, you will examine qualitative research as it relates to qualitative design considerations.
To prepare for this Discussion:
Review the Learning Resources and the Fundamentals of Qualitative Research Methods: Developing a Qualitative Research Question video and consider the basic guidelines for qualitative research design.
Use the Course Guide and Assignment Help found in this week’s Learning Resources and search for a qualitative research article. (Note: This article should be the research article you are using for your Major Assignment 1.)
Review the qualitative research article you found and identify each of the components of the research design and consider what is present and what is missing.
Identify what the authors did to document positionality, reflexivity, and bias.
By Day 4
Transform your notes from your preparation work into three paragraphs and post the following:
A brief statement of the purpose and primary research question the article addresses
An assessment of how thoroughly the research design was presented, including what was missing
An assessment of the extent of the researcher’s presentation of positionality, reflexivity, and bias
Fundamentals of Qualitative Research Methods: Developing a Qualitative Research Question (Module 2) - YouTube
BUS 308 Week 4 Statistics Correlations Problems
Assignment file and week four lectures attached. Please ask any questions and provide original work.Week 4 Problem SetLet� ...
BUS 308 Week 4 Statistics Correlations Problems
Assignment file and week four lectures attached. Please ask any questions and provide original work.Week 4 Problem SetLet’s look at some other factors that might influence pay. In the Student Assignment File Week 4 tab, complete the problems included, and submit your work in an Excel document. See Where Is Help Button in Microsoft Excel 2007, 2010, 2013 and 2016 (Links to an external site.)Links to an external site., Load the Analysis ToolPak (Links to an external site.)Links to an external site., and Use the Analysis ToolPak to Perform Complex Data Analysis (Links to an external site.)Links to an external site. for more information on how to use the required technologies for the course. Be sure to show all of your work and clearly label all calculations.All statistical calculations will use the data found in the Data tab in the Student assignment file.
7 pages
Quality Improvement Proposal
With the economic recession brought about by the invasion of SARS and AIDS, the healthcare systems all over the world have ...
Quality Improvement Proposal
With the economic recession brought about by the invasion of SARS and AIDS, the healthcare systems all over the world have received one of the ...
MATH 160 Grossmont College Elementary Statistics Worksheet
You need to download the ebook in order to do the Homework
Link for the ebook. its for FREE: https://openstax.org/details/ ...
MATH 160 Grossmont College Elementary Statistics Worksheet
You need to download the ebook in order to do the Homework
Link for the ebook. its for FREE: https://openstax.org/details/books/introductory-statistics?Book%20details
UMGC Agency Leadership Worksheet
A federal government agency that is responsible for setting vehicle fuel economy standards for automobile manufacturers is ...
UMGC Agency Leadership Worksheet
A federal government agency that is responsible for setting vehicle fuel economy standards for automobile manufacturers is conducting research in order to update its fuel economy standards for the year 2030. Automobile manufacturers, and consumers, are highly interested in what the agency's findings and determinations will be as this will affect every vehicle in the United States. The federal government agency is very interested in the relationship between the weight of a vehicle and the vehicle's fuel economy (average miles per gallon (MPG)). Specifically, the agency is concerned that if the current trend of automobile manufacturers producing heavier new vehicles continues that its fuel economy targets will not be met. The agency's research department recently collected data for analysis in order to support the agency's upcoming discussion with the industry regarding its proposed 2030 fuel economy standards. The average MPG from a random sample of 750 vehicles was recently calculated by the agency. The research division also collected the vehicle weight of these 750 randomly sampled vehicles. The Vehicle Number, Type, Vehicle Weight, Average MPG, Fuel Tank Size (Gallons), Engine Size (Liters), and Meet or Not Meet Current Standards data were collected for these 750 vehicles1. Agency leadership wants to create a simple linear regression model to predict a vehicle's average fuel economy based on the weight of the vehicle.Create a scatterplot using Vehicle Weight as the independent variable and Average MPG as the dependent variable. Perform a visual analysis of the data: describe the trend, strength, and shape of the relationship between these two variables. Choose the correct answer below.A. The scatterplot indicates there is a positive, strong, linear relationship between Vehicle Weight and Average MPG.B. The scatterplot indicates there is a positive, weak, linear relationship between Vehicle Weight and Average MPG.C. The scatterplot indicates there is a negative, strong, linear relationship between Vehicle Weight and Average MPG D. The scatterplot indicates there is a negative, weak, linear relationship between Vehicle Weight and Average MPG.E.The scatterplot indicates there is no relationship between Vehicle Weight and Average MPG.1.1. Include the scatterplot image as part of your answer. Save the image as a .jpg or .png file, then click "Show Work" and use the "Insert Image" button to upload and save your scatterplot.1.2. Based upon your visual analysis of the scatterplot, is simple linear regression appropriate? Why or why not?2. What is the correlation coefficient between Vehicle Weight and Average MPG? (Round to two decimal places)2.1. Interpret the correlation coefficient in this context.3. Using your simple linear regression model, what is the value for the slope for this regression model? (Round to decimal places)3.1. Interpret the slope in this context.4. Using your simple linear regression model, what is the value for the y-intercept for this regression model? (Round to two decimal places)4.1. Interpret the y-intercept in this context.5. Using your simple linear regression model, for each one pound increase in vehicle weight, how much would one predict the vehicle's average fuel economy to decrease? (Round to three decimal places)5.1. Using your simple linear regression model, what is the predicted Average MPG of a vehicle when the Vehicle Weight is 2700 pounds (round the slope to 3 decimal places and y-intercept to 2 decimal places)?5.2. Based upon your simple linear regression, should the agency's leadership be concerned that if new vehicles continue to be produced with heavier weights that its goal of better fuel economy will be jeopardized?6. Another facet of the weight of the car is the question of whether or not weight differs for cars that meet standards and those that do not. Create a side-by-side boxplot of the weight of cars, distinguishing between cars that meet standards and those that do not.Include the side-by-side boxplot image as part of your answer. Save the image as a .jpg or .png file, then click "Show Work" and use the "Insert Image" button to upload and save your boxplot.6.1. Describe and interpret the shapes of the two boxplots.7. One typically expects that e.g. trucks have a different fuel efficiency than passenger cars. That could be tested by a two-sample t-test, but we do not have two types of cars, but more than two. Our two-sample test won't help to compare passenger cars, SUVs, and trucks. As such, conduct an ANOVA F-test to investigate if the average fuel efficiency of cars differs between the three types of cars.Now run the One Way ANOVA. What is the value of the test statistic of this ANOVA test?Test statistic = (Round to two decimal places)7.1. What are the degrees of freedom of the test statistic of the ANOVA test?Degrees of Freedom (Total)= (Type a whole number)7.2. What is the P-value of the test statistic of the ANOVA test?P-value= (Round to three decimal places)7.3. Describe in your own words what you conclude from the outcome of this ANOVA test. Is it in line with the expectations you had?8. One typically expects that e.g. trucks have a different fuel efficiency than passenger cars. That could be tested by a two-sample t-test, but we do not have two types of cars, but more than two. Our two-sample test won't help to compare passenger cars, SUVs, and trucks.If we wish to investigate if the average fuel efficiency of cars differs between the three types of cars, what type of analysis do we need?A.Two-sample t-testB.χ2 test for independenceC. ANOVA F-testD. χ2 test for homogeneity8.1. What is the null hypothesis of the test that there is no difference in fuel efficiency between the types of cars?A. All medians of fuel efficiency are equal for the three types of carsB. All means of fuel efficiency are equal for the three types of carsC. At least one means of fuel efficiency differs from the means of the other two types of carD. All three means of fuel efficiency are different for the three types of cars8.2. What is the alternative hypothesis of the test that there is no difference in fuel efficiency between the types of cars?A. All means of fuel efficiency are equal for the three types of carsB. All medians of fuel efficiency are equal for the three types of carsC. All three means of fuel efficiency are different for the three types of carsD. At least one means of fuel efficiency differs from the means of the other two types of cars8.3. Create side-by-side boxplots in StatCrunch. What type of car has the highest variability in fuel efficiency (judge by the graph, do not calculate)?A.TrucksB. Passenger carsC. SUVs8.4. And again looking at the side-by-side boxplot only, without yet doing any calculations: do you expect to find significant differences in mean fuel efficiency between the types of cars?A. No, because differences in medians are small.B. No, because differences in medians are small relative to the amount of variation within each type.C. Yes, because differences in medians are small relative to the amount of variation within each type.D. Yes, because differences in medians are small.
MTH Miami University Differential Equations with Boundary Value Problems
Differential Equations with Boundary Value Problems, 9th Editionhttp://instructor.sdu.edu.kz/~merey/DIFFERENTIAL%2...May 1 ...
MTH Miami University Differential Equations with Boundary Value Problems
Differential Equations with Boundary Value Problems, 9th Editionhttp://instructor.sdu.edu.kz/~merey/DIFFERENTIAL%2...May 10 at 3 pm to 4:30 PM Eastern timesec 7.2 problemssec 7.4 problemsec 7.5 problemssec 2.1 problemssec 2.4 problem sec 4.6 problem sec 5.1 problemssec 3.1 problem
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