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Professor Fullerton was demonstrating the ease of making a bar graph using information about students' home states. He was amazed that his class of 32 represented only 3 states. There were 8 more students born in Texas than were born in Oklahoma. The number of students born in Arizona was 9 fewer than the number born in Oklahoma. How many were born in each state?
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STA3215CBE Rasmussen Critical Regions & P Values Population Parameters Paper
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STA3215CBE Rasmussen Critical Regions & P Values Population Parameters Paper
CompetencyFormulate and evaluate hypothesis tests for population parameters
based on sample statistics using both Critical Regions and P-Values, and
be able to state results in a non-technical way that can be understood
by consumers of the data instead of statisticians.Student Profile
You are a statistician working for a drug company. A few new
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Develop a confidence interval for a population parameter.
Instructions
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Competency
Develop a confidence interval for a population parameter.
Instructions
Scenario (information repeated for deliverable 01, 03, and 04)
A major client of your company is interested in the salary distributions of jobs in the state of Minnesota that range from $30,000 to $200,000 per year. As a Business Analyst, your boss asks you to research and analyze the salary distributions. You are given a spreadsheet that contains the following information:
A listing of the jobs by title
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You have previously explained some of the basic statistics to your client already, and he really liked your work. Now he wants you to analyze the confidence intervals.
Background information on the Data
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To prepare for this Discussion:
Review this week’s Learning Resources and the Descriptive Statistics media program.
For additional support, review the Skill Builder: Visual Displays for Categorical Variables and the Skill Builder: Visual Displays for Continuous Variables, which you can find by navigating back to your Blackboard Course Home Page. From there, locate the Skill Builder link in the left navigation pane.
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What sort of research question would this variable help answer that might inform social change?
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Most Popular Content
STA3215CBE Rasmussen Critical Regions & P Values Population Parameters Paper
CompetencyFormulate and evaluate hypothesis tests for population parameters
based on sample statistics using both Critic ...
STA3215CBE Rasmussen Critical Regions & P Values Population Parameters Paper
CompetencyFormulate and evaluate hypothesis tests for population parameters
based on sample statistics using both Critical Regions and P-Values, and
be able to state results in a non-technical way that can be understood
by consumers of the data instead of statisticians.Student Profile
You are a statistician working for a drug company. A few new
scientists have been hired by your company. They are experts in
pharmacology, but are not experts in doing statistical studies, so you
will explain to them how statistical studies are done when testing two
samples for the effectiveness of a new drug. The two samples can be
dependent or independent, and you will explain the difference.
Concept being Studied
Your focus is on hypothesis tests and confidence intervals for two
populations using two samples, some of which are independent and some of
which are dependent. These concepts are an extension of hypothesis
testing and confidence intervals which use statistics from one sample to
make conclusions about population parameters.What to SubmitYour research and analysis should be presented on the Word document provided. All calculations should be provided on a separate Excel workbook that should be submitted to your boss as well.
3 pages
Math Homework Final
Sara’s conclusion is not logical. This is because her sample size is small thus increasing her margin of error. She ther ...
Math Homework Final
Sara’s conclusion is not logical. This is because her sample size is small thus increasing her margin of error. She therefore needs to increase her ...
Algebra Part A
Let’s consider the US national debt and the US population as a function of time.1. The current population of the United ...
Algebra Part A
Let’s consider the US national debt and the US population as a function of time.1. The current population of the United States is 317,000,000.The current national debt total is $17,000,000,000.Based on these figures, use algebraic equations to calculate the approximate amount ofdebt per citizen. Show all of your work.2. For the purposes of this project, assume that population growth is a linear function thatgrows at a steady, unchanging rate of 0.9% per year, and that debt growth is a linearfunction that grows at a steady, unchanging rate of 13% per year.Use the population and debt figures from #1. Show all of your work.Find the linear equation for population in slope-intercept form.Find the linear equation for debt in slope-intercept form.3. Graph the linear equation for population growth and debt in separate graphs. Label thevalues of the x- and y-axes and title the graph. Show x from 0 (current year) to 30 (30years from now). Determine what the population and national debt will be 30 years fromnow. Calculate what the debt per citizen will be in 30 years. Show all your work. 4. Using calculations from #1 and # 3, calculate the population, national debt, and debt percitizen in 10 and 20 years from now. Complete the table below with your calculations: Time (years) Debt ($) Population Debt/Citizen0 17,000,000,000 317,000,000102030Graph the function that shows the amount of debt per citizen as a function of time. Labelthe values of the x- and y-axes and title the graph. Show x from 0 (current year) to 30(30 years from now). Identify the ordered pairs at x = 0, 10, 20 and 30 years either onthe graph or below it. Is this a linear function? Why or why not? 5. If the current compound interest rate on our national debt is 8% (compounded annually),what will the national debt be in 5, 10, and 20 years? The current national debt is$17,000,000,000. Show equations for all three calculations. Please find the exact values,do not round.6. At what point does the compound interest on the national debt double the amount fromthe current year? The current national debt is $17,000,000,000. Solve algebraically, andshow all of your work. Find the exact value. Assume the interest rate is 8% and theinterest rate is compounded annually.
Rasmussen College Confidence Interval for A Population Parameter Stats Practice
Competency
Develop a confidence interval for a population parameter.
Instructions
Scenario (information repeated fo ...
Rasmussen College Confidence Interval for A Population Parameter Stats Practice
Competency
Develop a confidence interval for a population parameter.
Instructions
Scenario (information repeated for deliverable 01, 03, and 04)
A major client of your company is interested in the salary distributions of jobs in the state of Minnesota that range from $30,000 to $200,000 per year. As a Business Analyst, your boss asks you to research and analyze the salary distributions. You are given a spreadsheet that contains the following information:
A listing of the jobs by title
The salary (in dollars) for each job
Deliverable 3 - Confidence Intervals.xlsx
You have previously explained some of the basic statistics to your client already, and he really liked your work. Now he wants you to analyze the confidence intervals.
Background information on the Data
The data set in the spreadsheet consists of 364 records that you will be analyzing from the Bureau of Labor Statistics. The data set contains a listing of several jobs titles with yearly salaries ranging from approximately $30,000 to $200,000 for the state of Minnesota.
Your boss wants you to submit the spreadsheet with the completed calculations, answers, and analysis.
RSCH 8210/7210/6210 Walden University Quantitative Reasoning Discussion
For this Discussion, you will examine central tendency and variability based on two separate variables. You will also expl ...
RSCH 8210/7210/6210 Walden University Quantitative Reasoning Discussion
For this Discussion, you will examine central tendency and variability based on two separate variables. You will also explore the implications for positive social change based on the results of the data.
To prepare for this Discussion:
Review this week’s Learning Resources and the Descriptive Statistics media program.
For additional support, review the Skill Builder: Visual Displays for Categorical Variables and the Skill Builder: Visual Displays for Continuous Variables, which you can find by navigating back to your Blackboard Course Home Page. From there, locate the Skill Builder link in the left navigation pane.
Review the Chapter 4 of the Wagner text and the examples in the SPSS software related to central tendency and variability.
From the General Social Survey dataset found in this week’s Learning Resources, use the SPSS software and choose one continuous and one categorical variable Note: this dataset will be different from your Assignment dataset).
As you review, consider the implications for positive social change based on the results of your data.
By Day 3
Post, present, and report a descriptive analysis for your variables, specifically noting the following:
For your continuous variable
Report the mean, median, and mode.
What might be the better measure for central tendency? (i.e., mean, median, or mode) and why?
Report the standard deviation.
How variable are the data?
How would you describe this data?
What sort of research question would this variable help answer that might inform social change?
Post the following information for your categorical variable:
A frequency distribution.
An appropriate measure of variation.
How variable are the data?
How would you describe this data?
What sort of research question would this variable help answer that might inform social change?
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