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ACF and PACF plots, statistics homework help
Using these data, conduct the following analyses:(a) Plot and inspect the data. Summarize the dynamics with relevant ACF a ...
ACF and PACF plots, statistics homework help
Using these data, conduct the following analyses:(a) Plot and inspect the data. Summarize the dynamics with relevant ACF and PACF plots thataccount for the large drop in public drunkness arrests that occurs after June 1971. Discuss yourinitial models based on these diagnostics.(b) Fit an appropriate ARIMA model to the data from January 1966 to June 1971. Make sure youcheck the diagnostics to make sure there is no residual seasonal serial correlation.(c) Now include a permanent intervention variable that allows the constant in your model to changestarting in June 1971. Add this variable as a regressor in your ARIMA model and fit it to the fullsample. What do you conclude from this model. Hint: you can make the intervention variable using this intervene(d) Check and report the residual diagnostics for this model. What modifications need to be madeto the ARIMA specification after including the intervention?(e) Why is this procedure optimal? That is, why not just fit an ARIMA model to the full samplerather than use the part of the sample prior to the intervention like you did above?
Study Questions for Exam
1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in ...
Study Questions for Exam
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.
a.Make a two-way table that includes the marginal frequencies.
b.Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.
c.What is the probability that someone who is between the ages of 20-29 also texts regularly?
d.What is the probability that someone who is between the ages of 40-49 also texts regularly?
e.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.
a.Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.
b.Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.
c.Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.
d.Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.
e.Use the regression feature on your calculator to find an exponential model and a power model to represent this data.
f.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.
STA 3215 UMTC Analyze of Patients Age Presentation
You are currently working at NCLEX Memorial Hospital in the Infectious Diseases Unit. Over the past few days, you have not ...
STA 3215 UMTC Analyze of Patients Age Presentation
You are currently working at NCLEX Memorial Hospital in the Infectious Diseases Unit. Over the past few days, you have noticed an increase in patients admitted with a particular infectious disease. You believe that the ages of these patients play a critical role in the method used to treat the patients. You decide to speak to your manager, and together you work to use statistical analysis to look more closely at the ages of these patients.You do some research and put together a spreadsheet of the data that contains the following informationClient numberInfection disease statusAge of the patientYou are to put together a PowerPoint presentation that explains the analysis of your findings which you will submit to your manager. The presentation should contain all components of your findings. For review, the components of the report should include:Brief overview of the scenario and variables in the data setDiscussion, calculation, and interpretation of the mean, median, mode, range, standard deviation, and varianceDiscussion, construction, and interpretation of the 95% confidence intervalExplanation of the full hypothesis testConclusionThe calculations should be performed in your spreadsheet that you will also submit to your manager. You can find additional information on what to add to your PowerPoint presentation in this Word document. Use the questions in the worksheet as your guide for the contents of your presentation.For your final deliverable, submit your PowerPoint presentation and the Excel workbook showing your work. Do not submit your Word document.
Precalculus Worksheet
Don't do both of these worksheets. You can choose one or the other. You can choose which ever one you think will be easier ...
Precalculus Worksheet
Don't do both of these worksheets. You can choose one or the other. You can choose which ever one you think will be easier. It's completely up to you.
6 pages
Week 6 Scenarios
In this scenario, we are required to evaluate whether the perceptions of the African people about democracy differ statist ...
Week 6 Scenarios
In this scenario, we are required to evaluate whether the perceptions of the African people about democracy differ statistically from a value of 6 or ...
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Most Popular Content
ACF and PACF plots, statistics homework help
Using these data, conduct the following analyses:(a) Plot and inspect the data. Summarize the dynamics with relevant ACF a ...
ACF and PACF plots, statistics homework help
Using these data, conduct the following analyses:(a) Plot and inspect the data. Summarize the dynamics with relevant ACF and PACF plots thataccount for the large drop in public drunkness arrests that occurs after June 1971. Discuss yourinitial models based on these diagnostics.(b) Fit an appropriate ARIMA model to the data from January 1966 to June 1971. Make sure youcheck the diagnostics to make sure there is no residual seasonal serial correlation.(c) Now include a permanent intervention variable that allows the constant in your model to changestarting in June 1971. Add this variable as a regressor in your ARIMA model and fit it to the fullsample. What do you conclude from this model. Hint: you can make the intervention variable using this intervene(d) Check and report the residual diagnostics for this model. What modifications need to be madeto the ARIMA specification after including the intervention?(e) Why is this procedure optimal? That is, why not just fit an ARIMA model to the full samplerather than use the part of the sample prior to the intervention like you did above?
Study Questions for Exam
1. You randomly survey people in the mall about whether or not they regularly use text messaging. The results are shown in ...
Study Questions for Exam
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.
a.Make a two-way table that includes the marginal frequencies.
b.Make a two-way table that shows both the joint and marginal relative frequencies. Round to the nearest hundredth, if necessary.
c.What is the probability that someone who is between the ages of 20-29 also texts regularly?
d.What is the probability that someone who is between the ages of 40-49 also texts regularly?
e.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.
a.Make a scatter plot of ln y versus x. Use the scatter plot to find the equation for the line of best fit.
b.Make a scatter plot of ln y versus ln x. Use the scatter plot to find the equation for the line of best fit.
c.Based on your answers in part a and b, would an exponential model or a power model be better to represent this data? Explain.
d.Use your answers from parts a and b to find an exponential model and a power model to represent this data by hand.
e.Use the regression feature on your calculator to find an exponential model and a power model to represent this data.
f.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.
STA 3215 UMTC Analyze of Patients Age Presentation
You are currently working at NCLEX Memorial Hospital in the Infectious Diseases Unit. Over the past few days, you have not ...
STA 3215 UMTC Analyze of Patients Age Presentation
You are currently working at NCLEX Memorial Hospital in the Infectious Diseases Unit. Over the past few days, you have noticed an increase in patients admitted with a particular infectious disease. You believe that the ages of these patients play a critical role in the method used to treat the patients. You decide to speak to your manager, and together you work to use statistical analysis to look more closely at the ages of these patients.You do some research and put together a spreadsheet of the data that contains the following informationClient numberInfection disease statusAge of the patientYou are to put together a PowerPoint presentation that explains the analysis of your findings which you will submit to your manager. The presentation should contain all components of your findings. For review, the components of the report should include:Brief overview of the scenario and variables in the data setDiscussion, calculation, and interpretation of the mean, median, mode, range, standard deviation, and varianceDiscussion, construction, and interpretation of the 95% confidence intervalExplanation of the full hypothesis testConclusionThe calculations should be performed in your spreadsheet that you will also submit to your manager. You can find additional information on what to add to your PowerPoint presentation in this Word document. Use the questions in the worksheet as your guide for the contents of your presentation.For your final deliverable, submit your PowerPoint presentation and the Excel workbook showing your work. Do not submit your Word document.
Precalculus Worksheet
Don't do both of these worksheets. You can choose one or the other. You can choose which ever one you think will be easier ...
Precalculus Worksheet
Don't do both of these worksheets. You can choose one or the other. You can choose which ever one you think will be easier. It's completely up to you.
6 pages
Week 6 Scenarios
In this scenario, we are required to evaluate whether the perceptions of the African people about democracy differ statist ...
Week 6 Scenarios
In this scenario, we are required to evaluate whether the perceptions of the African people about democracy differ statistically from a value of 6 or ...
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