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Maths Quiz
a. Looking at the above graph, identif y the number of odd vertices. = 9 (all joined to 3 b. Looking at the above graph, i ...
Maths Quiz
a. Looking at the above graph, identif y the number of odd vertices. = 9 (all joined to 3 b. Looking at the above graph, identif y the number of even ...
UCLA The Importance of Relationships Confidence Interval as A Statistic Discussion
To prepare for this Discussion: Review Chapters 6 and 7 of the Frankfort-Nachmias & Leon-Guerrero text and in Chapter 7 ...
UCLA The Importance of Relationships Confidence Interval as A Statistic Discussion
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. By Day 3 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.
math assignment please if you can't do the assignment dont ask for do it
How does changing each of a, b, and c in the equation y = ax2 + bx + c change the shape of the parabola?How would you have ...
math assignment please if you can't do the assignment dont ask for do it
How does changing each of a, b, and c in the equation y = ax2 + bx + c change the shape of the parabola?How would you have to change the equation to make the ball first hit the backboard and then fall through the net?Explain how another player could stand in the same spot, facing
the same direction, throw the ball in that direction, but miss the
basket.510 assignment math.xls
University of Texas at Arlington SPSS Computation and Interpretation Paper
Using the example from Ottomanelli and colleagues (2012), participants were randomized to receive Supported Employment or ...
University of Texas at Arlington SPSS Computation and Interpretation Paper
Using the example from Ottomanelli and colleagues (2012), participants were randomized to receive Supported Employment or treatment as usual. A third group, also a treatment as usual group, consisted of a non-randomized observational group of participants. A simulated subset was selected for this example so that the computations would be small and manageable. The independent variable in this example is treatment group (Supported Employment, Treatment as Usual- Randomized, and Treatment as Usual-Observational/Not Randomized), and the dependent variable was the number of hours worked post-treatment. Supported employment refers to a type of specialized interdisciplinary vocational rehabilitation designed to help people with disabilities obtain and maintain community-based competitive employment in their chosen occupation (Bond, 2004).These data are presented in HW7.sav. The null hypothesis is: “There is no difference between the treatment groups in post-treatment number of hours worked among veterans with spinal cord injuries.”Download the file: see attached fileQuestions to be answered in word doc - Open in SPSS. Use the dataset to answer the following questions.Do the data meet criteria for homogeneity of variance? Provide a rationale for your answer.What is the F value, and the numerator and denominator degrees of freedom?Compute the ANOVA using SPSS and paste the SPSS table containing the F into your homework.Is the F significant at a=0.05? Specify how you arrived at your answer.What is the exact likelihood of obtaining our F value at least as extreme or as close to the one that was actually observed, assuming that the null hypothesis is true?Write your interpretation of the results, as you would in an APA-formatted journal.Is there a difference in your final interpretation when comparing the results of the LSD post-hoc test versus Tukey HSD test? Provide a rationale for your answer.If the researcher decided to combine the two Treatment as Usual groups to represent a overall “Control” group, then there would be two groups to compare: Supported Employment versus Control. What would be the appropriate statistic to address the difference in hours worked between the two groups? Provide a rationale for your answer.
Saint Leo University Mortgage Approval Time Study Presentation
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial ...
Saint Leo University Mortgage Approval Time Study Presentation
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial services company wishes to better understand its mortgage approval process. In particular, the company is interested in learning about the effects of credit history (good versus fair), the size of the mortgage (<$500,000 versus >$500,000), and the region of the United States (western versus eastern) on the amount of time it takes to get a mortgage approved. The database of mortgages approved in the last year is accessed, and a random sample of five approved mortgages is selected for each of the eight combinations of the three variables. The data are shown in the tableMortgage Approval Time Study Credit History Mortgage Size Region Approval Times (Days)Good <$500,000 Western 59 50 64 62 47Fair <$500,000 Western 81 58 69 65 74Good >$500,000 Western 38 52 58 60 65Fair >$500,000 Western 146 159 133 143 129Good <$500,000 Eastern 28 26 38 41 21Fair <$500,000 Eastern 42 53 40 50 64Good >$500,000 Eastern 49 31 49 42 38 Fair >$500,000 Eastern 106 115 126 118 138
Need help with stats and a survey
1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in ...
Need help with stats and a survey
1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages.Make a two-way table that includes the marginal frequencies.Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.What is the probability that someone who is between the ages of 20-29 also texts regularly?What is the probability that someone who is between the ages of 40-49 also texts regularly?Does the data show a relationship between age and texting? Explain.2. The data below represents the number of hits on your web site over 10 months.Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.Use the regression feature on your calculator to find an exponential model and a power model to represent this data.Use your answer from parts c and d to make the best estimate for the number of hits your web site will have in 12 months.
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Most Popular Content
3 pages
Maths Quiz
a. Looking at the above graph, identif y the number of odd vertices. = 9 (all joined to 3 b. Looking at the above graph, i ...
Maths Quiz
a. Looking at the above graph, identif y the number of odd vertices. = 9 (all joined to 3 b. Looking at the above graph, identif y the number of even ...
UCLA The Importance of Relationships Confidence Interval as A Statistic Discussion
To prepare for this Discussion: Review Chapters 6 and 7 of the Frankfort-Nachmias & Leon-Guerrero text and in Chapter 7 ...
UCLA The Importance of Relationships Confidence Interval as A Statistic Discussion
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. By Day 3 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.
math assignment please if you can't do the assignment dont ask for do it
How does changing each of a, b, and c in the equation y = ax2 + bx + c change the shape of the parabola?How would you have ...
math assignment please if you can't do the assignment dont ask for do it
How does changing each of a, b, and c in the equation y = ax2 + bx + c change the shape of the parabola?How would you have to change the equation to make the ball first hit the backboard and then fall through the net?Explain how another player could stand in the same spot, facing
the same direction, throw the ball in that direction, but miss the
basket.510 assignment math.xls
University of Texas at Arlington SPSS Computation and Interpretation Paper
Using the example from Ottomanelli and colleagues (2012), participants were randomized to receive Supported Employment or ...
University of Texas at Arlington SPSS Computation and Interpretation Paper
Using the example from Ottomanelli and colleagues (2012), participants were randomized to receive Supported Employment or treatment as usual. A third group, also a treatment as usual group, consisted of a non-randomized observational group of participants. A simulated subset was selected for this example so that the computations would be small and manageable. The independent variable in this example is treatment group (Supported Employment, Treatment as Usual- Randomized, and Treatment as Usual-Observational/Not Randomized), and the dependent variable was the number of hours worked post-treatment. Supported employment refers to a type of specialized interdisciplinary vocational rehabilitation designed to help people with disabilities obtain and maintain community-based competitive employment in their chosen occupation (Bond, 2004).These data are presented in HW7.sav. The null hypothesis is: “There is no difference between the treatment groups in post-treatment number of hours worked among veterans with spinal cord injuries.”Download the file: see attached fileQuestions to be answered in word doc - Open in SPSS. Use the dataset to answer the following questions.Do the data meet criteria for homogeneity of variance? Provide a rationale for your answer.What is the F value, and the numerator and denominator degrees of freedom?Compute the ANOVA using SPSS and paste the SPSS table containing the F into your homework.Is the F significant at a=0.05? Specify how you arrived at your answer.What is the exact likelihood of obtaining our F value at least as extreme or as close to the one that was actually observed, assuming that the null hypothesis is true?Write your interpretation of the results, as you would in an APA-formatted journal.Is there a difference in your final interpretation when comparing the results of the LSD post-hoc test versus Tukey HSD test? Provide a rationale for your answer.If the researcher decided to combine the two Treatment as Usual groups to represent a overall “Control” group, then there would be two groups to compare: Supported Employment versus Control. What would be the appropriate statistic to address the difference in hours worked between the two groups? Provide a rationale for your answer.
Saint Leo University Mortgage Approval Time Study Presentation
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial ...
Saint Leo University Mortgage Approval Time Study Presentation
Case Study 2: Mortgage Approval Time StudyDue Week 8 and worth 190 points Read the following case study:A major financial services company wishes to better understand its mortgage approval process. In particular, the company is interested in learning about the effects of credit history (good versus fair), the size of the mortgage (<$500,000 versus >$500,000), and the region of the United States (western versus eastern) on the amount of time it takes to get a mortgage approved. The database of mortgages approved in the last year is accessed, and a random sample of five approved mortgages is selected for each of the eight combinations of the three variables. The data are shown in the tableMortgage Approval Time Study Credit History Mortgage Size Region Approval Times (Days)Good <$500,000 Western 59 50 64 62 47Fair <$500,000 Western 81 58 69 65 74Good >$500,000 Western 38 52 58 60 65Fair >$500,000 Western 146 159 133 143 129Good <$500,000 Eastern 28 26 38 41 21Fair <$500,000 Eastern 42 53 40 50 64Good >$500,000 Eastern 49 31 49 42 38 Fair >$500,000 Eastern 106 115 126 118 138
Need help with stats and a survey
1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in ...
Need help with stats and a survey
1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in the tally sheets below based on the people’s ages.Make a two-way table that includes the marginal frequencies.Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.What is the probability that someone who is between the ages of 20-29 also texts regularly?What is the probability that someone who is between the ages of 40-49 also texts regularly?Does the data show a relationship between age and texting? Explain.2. The data below represents the number of hits on your web site over 10 months.Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.Use the regression feature on your calculator to find an exponential model and a power model to represent this data.Use your answer from parts c and d to make the best estimate for the number of hits your web site will have in 12 months.
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