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Phase 4

This week you will begin working on Phase 4 of your course project. For Phase 4 of your course project, you will want to review your instructor’s feedback from your Phase 1, Phase 2, and Phase 3 submissions to make any necessary corrections. Remember if you have questions about the feedback to ask your instructor for assistance.

Once you have made your corrections, you will compile your information from Phase 1, Phase 2, Phase 3 and your final conclusion into one submission and submit this as your rough draft for Phase 4 of the course project. Below is a summary of the expectations for Phase 4 of the course project:

  1. Introduce your scenario and data set.
    • Provide a brief overview of the scenario you are given above and the data set that you will be analyzing.
    • Classify the variables in your data set.
      • Which variables are quantitative/qualitative?
      • Which variables are discrete/continuous?
      • Describe the level of measurement for each variable included in your data set.
  1. Discuss the importance of the Measures of Center and the Measures of Variation.
    • What are the measures of center and why are they important?
    • What are the measures of variation and why are they important?
  1. Calculate the measures of center and measures of variation. Interpret your results in context of the selected topic.
    • Mean
    • Median
    • Mode
    • Midrange
    • Range
    • Variance
    • Standard Deviantion
  1. Discuss the importance of constructing confidence intervals for the population mean.
    • What are confidence intervals?
    • What is a point estimate?
    • What is the best point estimate for the population mean? Explain.
    • Why do we need confidence intervals?
  1. Based on your selected topic, evaluate the following:
    • Find the best point estimate of the population mean.
    • Construct a 95% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown.
      • Please show your work for the construction of this confidence interval and be sure to use the Equation Editor to format your equations.
    • Write a statement that correctly interprets the confidence interval in context of your selected topic.
  1. Based on your selected topic, evaluate the following:
    • Find the best point estimate of the population mean.
    • Construct a 99% confidence interval for the population mean. Assume that your data is normally distributed and σ is unknown.
      • Please show your work for the construction of this confidence interval and be sure to use the Equation Editor to format your equations.
    • Write a statement that correctly interprets the confidence interval in context of your selected topic.
  1. Compare and contrast your findings for the 95% and 99% confidence interval.
    • Did you notice any changes in your interval estimate? Explain.
    • What conclusion(s) can be drawn about your interval estimates when the confidence level is increased? Explain.
  1. Discuss the process for hypothesis testing.
    • Discuss the 8 steps of hypothesis testing?
    • When performing the 8 steps for hypothesis testing, which method do you prefer; P-Value method or Critical Value method? Why?
  1. Perform the hypothesis test.
    • If you selected Option 1:
      • Original Claim: The average salary for all jobs in Minnesota is less than $65,000.
      • Test the claim using α = 0.05 and assume your data is normally distributed and σ is unknown.
Job TitleSalary
Morticians, Undertakers, and Funeral Directors40,170source:
Plumbers, Pipefitters, and Steamfitters40,170
First-Line Supervisors of Landscaping, Lawn Service, and Groundskeeping Workers40,300
Patternmakers, Metal and Plastic40,310
Conveyor Operators and Tenders40,400
Child, Family, and School Social Workers40,580
Firefighters40,590
Reinforcing Iron and Rebar Workers40,590
Communications Equipment Operators, All Other40,600
Mixing and Blending Machine Setters, Operators, and Tenders40,740
Police and Sheriff’s Patrol Officers41,040
Control and Valve Installers and Repairers, Except Mechanical Door41,050
Painters, Transportation Equipment41,180
Extruding, Forming, Pressing, and Compacting Machine Setters, Operators, and Tenders41,190
Information and Record Clerks, All Other41,230
Loading Machine Operators, Underground Mining41,270
Rolling Machine Setters, Operators, and Tenders, Metal and Plastic41,290
Paper Goods Machine Setters, Operators, and Tenders41,360
Electric Motor, Power Tool, and Related Repairers41,380
Community and Social Service Occupations41,400
Rotary Drill Operators, Oil and Gas41,470
Directors, Religious Activities and Education41,590
Forensic Science Technicians41,700
Model Makers, Metal and Plastic41,780
Pump Operators, Except Wellhead Pumpers41,850
Sound Engineering Technicians41,870
Camera and Photographic Equipment Repairers41,910
Logging Workers, All Other41,940
Hearing Aid Specialists42,170
Recreational Vehicle Service Technicians42,230
Athletic Trainers42,330
Installation, Maintenance, and Repair Occupations42,340
Aircraft Structure, Surfaces, Rigging, and Systems Assemblers42,410
Community Health Workers42,490
Tire Builders42,500
Environmental Science and Protection Technicians, Including Health42,510
Mental Health Counselors42,720
Water and Wastewater Treatment Plant and System Operators42,750
Continuous Mining Machine Operators42,760
Financial Clerks, All Other42,830
Probation Officers and Correctional Treatment Specialists43,000
Health Technologists and Technicians, All Other43,140
Exercise Physiologists43,150
Electricians43,200
Forest and Conservation Technicians43,210
Gaming Supervisors43,260
Millwrights43,300
Mobile Heavy Equipment Mechanics, Except Engines43,340
Credit Counselors43,360
Chemical Technicians43,370
Agricultural Inspectors43,470
Adult Basic and Secondary Education and Literacy Teachers and Instructors43,500
Brokerage Clerks43,690
Marriage and Family Therapists43,780
Crane and Tower Operators43,910
Film and Video Editors43,940
Anthropologists and Archeologists43,970
Healthcare Social Workers44,080
Medical Equipment Repairers44,240
First-Line Supervisors of Helpers, Laborers, and Material Movers, Hand44,310
Metal-Refining Furnace Operators and Tenders44,330
Agricultural and Food Science Technicians44,470
First-Line Supervisors of Protective Service Workers, All Other44,570
Derrick Operators, Oil and Gas44,610
Cardiovascular Technologists and Technicians44,690
Aircraft Cargo Handling Supervisors44,890
Health Educators44,920
Education, Training, and Library Occupations45,000
Meeting, Convention, and Event Planners45,020
Chefs and Head Cooks45,090
Computer User Support Specialists45,150
Postal Service Clerks45,400
Radiologic Technologists45,460
Paralegals and Legal Assistants45,510
Radio, Cellular, and Tower Equipment Installers and Repairers45,510
Cargo and Freight Agents45,610
Mining Machine Operators, All Other45,660
Production, Planning, and Expediting Clerks46,020
Advertising Sales Agents46,100
Embalmers46,100
Fish and Game Wardens46,110
First-Line Supervisors of Farming, Fishing, and Forestry Workers46,170
Respiratory Therapists46,200
Rail-Track Laying and Maintenance Equipment Operators46,320
Mine Cutting and Channeling Machine Operators46,410
Architectural and Civil Drafters46,470
Dental Hygienists46,530
Interior Designers46,540
Dietitians and Nutritionists46,720
Stationary Engineers and Boiler Operators46,730
Tool and Die Makers46,750
Editors46,760
Precision Instrument and Equipment Repairers, All Other46,990
Public Relations Specialists47,070
Fire Inspectors and Investigators47,100
Layout Workers, Metal and Plastic47,290
Refractory Materials Repairers, Except Brickmasons47,440
Diagnostic Medical Sonographers47,760
Kindergarten Teachers, Except Special Education47,990
Service Unit Operators, Oil, Gas, and Mining48,010
Drafters, All Other48,090
Commercial and Industrial Designers48,120
Music Directors and Composers48,190
Sales Representatives, Services, All Other48,230
Coil Winders, Tapers, and Finishers48,260
Postal Service Mail Sorters, Processors, and Processing Machine Operators48,360
Curators48,470
Environmental Engineering Technicians48,520
Industrial Machinery Mechanics48,790
Tank Car, Truck, and Ship Loaders48,810
Middle School Teachers, Except Special and Career/Technical Education48,830
Elementary School Teachers, Except Special Education48,970
Electro-Mechanical Technicians49,150
Postal Service Mail Carriers49,350
Farm and Home Management Advisors49,430
Explosives Workers, Ordnance Handling Experts, and Blasters49,580
Rail Yard Engineers, Dinkey Operators, and Hostlers49,580
Occupational Health and Safety Technicians49,620
Construction and Building Inspectors49,630
First-Line Supervisors of Office and Administrative Support Workers49,740
Labor Relations Specialists50,100
Appraisers and Assessors of Real Estate50,150
Secondary School Teachers, Except Special and Career/Technical Education50,170
Credit Analysts50,290
Web Developers50,610
Special Education Teachers, Kindergarten and Elementary School50,810
Educational, Guidance, School, and Vocational Counselors50,820
Producers and Directors50,920
Telecommunications Equipment Installers and Repairers, Except Line Installers50,940
Surveyors51,410
Legal Support Workers, All Other51,570
Mechanical Engineering Technicians51,900
Fundraisers51,930
Railroad Conductors and Yardmasters52,200
Special Education Teachers, Middle School52,200
English Language and Literature Teachers, Postsecondary52,330
Insurance Underwriters52,330
Librarians52,340
Signal and Track Switch Repairers52,340
Special Education Teachers, Secondary School52,390
Chemical Equipment Operators and Tenders52,430
Electrical and Electronics Installers and Repairers, Transportation Equipment52,450
Executive Secretaries and Executive Administrative Assistants52,530
Electrical and Electronics Repairers, Commercial and Industrial Equipment52,650
Chemical Plant and System Operators52,710
Airfield Operations Specialists52,740
Mechanical Drafters52,840
Medical and Clinical Laboratory Technologists52,900
First-Line Supervisors of Transportation and Material-Moving Machine and Vehicle Operators52,950
Mine Shuttle Car Operators53,150
Career/Technical Education Teachers, Middle School53,190
Funeral Service Managers53,210
First-Line Supervisors of Correctional Officers53,470
Career/Technical Education Teachers, Secondary School53,480
Physical Therapist Assistants53,710
Audiologists53,830
Tax Examiners and Collectors, and Revenue Agents53,860
Insurance Sales Agents54,050
Petroleum Pump System Operators, Refinery Operators, and Gaugers54,140
Roof Bolters, Mining54,150
Cartographers and Photogrammetrists54,170
Writers and Authors54,250
Hoist and Winch Operators54,330
Set and Exhibit Designers54,620
Occupational Therapy Assistants55,190
Special Education Teachers, All Other55,310
Foreign Language and Literature Teachers, Postsecondary55,340
Magnetic Resonance Imaging Technologists55,430
Life Scientists, All Other55,510
First-Line Supervisors of Production and Operating Workers55,630
Wholesale and Retail Buyers, Except Farm Products55,700
Nuclear Medicine Technologists55,820
Boilermakers55,870
Registered Nurses55,870
Locomotive Engineers55,900
Computer Network Support Specialists55,990
First-Line Supervisors of Construction Trades and Extraction Workers55,990
Foresters56,020
History Teachers, Postsecondary56,050
Electrical and Electronics Engineering Technicians56,160
Gas Compressor and Gas Pumping Station Operators56,220
Avionics Technicians56,440
Compensation, Benefits, and Job Analysis Specialists56,600
Real Estate Sales Agents56,600
Arbitrators, Mediators, and Conciliators56,700
Cost Estimators56,980
Health Diagnosing and Treating Practitioners, All Other56,990
First-Line Supervisors of Fire Fighting and Prevention Workers57,160
Training and Development Specialists57,180
Art, Drama, and Music Teachers, Postsecondary57,210
Criminal Justice and Law Enforcement Teachers, Postsecondary57,230
Marine Engineers and Naval Architects57,230
Education Teachers, Postsecondary57,390
Industrial Engineering Technicians57,510
Private Detectives and Investigators57,620
Multimedia Artists and Animators57,700
Detectives and Criminal Investigators57,820
Judges, Magistrate Judges, and Magistrates58,140
Human Resources Specialists58,160
Statisticians58,210
Market Research Analysts and Marketing Specialists58,340
Life, Physical, and Social Science Occupations58,420
Urban and Regional Planners58,590
Environmental Scientists and Specialists, Including Health58,640
Geological and Petroleum Technicians58,700
Claims Adjusters, Examiners, and Investigators58,870
Zoologists and Wildlife Biologists59,000
First-Line Supervisors of Mechanics, Installers, and Repairers59,010
Epidemiologists59,130
Technical Writers59,590
Nuclear Technicians59,630
Electrical Power-Line Installers and Repairers59,730
Sociology Teachers, Postsecondary59,760
Aerospace Engineering and Operations Technicians59,800
Food Service Managers59,820
Social Workers, All Other60,040
Library Science Teachers, Postsecondary60,360
Soil and Plant Scientists60,470
Archivists60,560
Power Plant Operators60,720
Education Administrators, Preschool and Childcare Center/Program61,290
Recreation and Fitness Studies Teachers, Postsecondary61,300
Electrical and Electronics Drafters61,360
Social and Community Service Managers61,440
Philosophy and Religion Teachers, Postsecondary61,760
Gas Plant Operators61,780
Historians62,210
Engineering Technicians, Except Drafters, All Other62,320
Compliance Officers62,600
Orthotists and Prosthetists62,630
Mathematical Science Teachers, Postsecondary62,740
First-Line Supervisors of Police and Detectives62,800
Healthcare Practitioners and Technical Occupations63,080
Sales Representatives, Wholesale and Manufacturing, Except Technical and Scientific Products63,400
Buyers and Purchasing Agents, Farm Products63,490
Electrical and Electronics Repairers, Powerhouse, Substation, and Relay63,870
Accountants and Auditors63,910
Purchasing Agents, Except Wholesale, Retail, and Farm Products63,950
Communications Teachers, Postsecondary64,250
Instructional Coordinators65,060
Speech-Language Pathologists65,140
Transportation Inspectors65,650
Occupational Health and Safety Specialists66,150
Media and Communication Equipment Workers, All Other66,370
Political Science Teachers, Postsecondary66,490
Nursing Instructors and Teachers, Postsecondary66,660
Business and Financial Operations Occupations66,890
Social Work Teachers, Postsecondary67,040
Loan Officers67,070
Property, Real Estate, and Community Association Managers67,390
Geography Teachers, Postsecondary67,430
Plant and System Operators, All Other67,440
Financial Specialists, All Other67,910
Elevator Installers and Repairers67,930
Emergency Management Directors67,970
Radiation Therapists68,470
Postmasters and Mail Superintendents68,750
Psychology Teachers, Postsecondary68,910
Network and Computer Systems Administrators68,990
Captains, Mates, and Pilots of Water Vessels69,080
Ship Engineers69,300
Environmental Engineers69,970
Database Administrators70,120
Real Estate Brokers70,520
Power Distributors and Dispatchers70,530
Chemists70,740
Chemistry Teachers, Postsecondary71,100
Geoscientists, Except Hydrologists and Geographers71,260
Conservation Scientists71,400
Home Economics Teachers, Postsecondary71,420
Civil Engineers71,890
Landscape Architects72,760
Occupational Therapists73,260
Budget Analysts73,650
Computer and Mathematical Occupations73,780
First-Line Supervisors of Non-Retail Sales Workers74,600
Architects, Except Landscape and Naval75,440
Insurance Appraisers, Auto Damage75,530
Advertising and Promotions Managers75,710
Art Directors76,280
Business Operations Specialists, All Other77,280
Agents and Business Managers of Artists, Performers, and Athletes77,690
Education Administrators, Elementary and Secondary School77,880
Financial Examiners78,040
Business Teachers, Postsecondary78,240
Physics Teachers, Postsecondary78,630
Environmental Science Teachers, Postsecondary78,700
Information Security Analysts78,810
Architecture Teachers, Postsecondary79,040
Computer Systems Analysts79,200
Sales Representatives, Wholesale and Manufacturing, Technical and Scientific Products79,450
Veterinarians79,820
Architecture and Engineering Occupations79,910
Social Scientists and Related Workers, All Other80,010
Computer Programmers80,490
Chiropractors80,690
Legal Occupations81,140
Logisticians81,280
Industrial Engineers81,330
Education Administrators, All Other81,870
Mining and Geological Engineers, Including Mining Safety Engineers81,970
Securities, Commodities, and Financial Services Sales Agents82,560
Computer Occupations, All Other83,170
Mechanical Engineers83,370
Physical Therapists83,460
Commercial Pilots83,940
Actuaries84,190
Atmospheric and Space Scientists84,390
Broadcast News Analysts84,830
Clinical, Counseling, and School Psychologists85,800
Biomedical Engineers85,810
Psychologists, All Other86,080
Transportation, Storage, and Distribution Managers86,090
Compensation and Benefits Managers87,210
Training and Development Managers87,630
Operations Research Analysts87,680
Nurse Practitioners88,320
Computer Network Architects88,400
Health and Safety Engineers, Except Mining Safety Engineers and Inspectors88,670
Physician Assistants88,680
Public Relations and Fundraising Managers89,080
Construction Managers89,680
Forestry and Conservation Science Teachers, Postsecondary90,080
Management Analysts90,310
Electrical Engineers91,040
Software Developers, Applications91,070
Computer Science Teachers, Postsecondary91,360
Agricultural Sciences Teachers, Postsecondary92,010
Chemical Engineers92,420
Atmospheric, Earth, Marine, and Space Sciences Teachers, Postsecondary92,630
Industrial Production Managers93,500
Human Resources Managers93,630
Medical and Health Services Managers93,750
Financial Analysts93,970
Air Traffic Controllers94,030
Administrative Services Managers94,450
Managers, All Other94,950
Materials Engineers95,030
Education Administrators, Postsecondary95,040
Optometrists96,210
Economics Teachers, Postsecondary96,290
Software Developers, Systems Software96,290
Airline Pilots, Copilots, and Flight Engineers98,480
Sales Engineers99,260
Computer Hardware Engineers99,980
Electronics Engineers, Except Computer100,310
Personal Financial Advisors101,700
Computer and Information Research Scientists103,900
Economists104,280
Purchasing Managers104,300
Aerospace Engineers104,730
Lawyers106,790
Health Specialties Teachers, Postsecondary108,160
Physicists108,740
Nuclear Engineers110,620
Marketing Managers111,320
Sales Managers111,910
Podiatrists112,230
Natural Sciences Managers113,650
Financial Managers116,110
Administrative Law Judges, Adjudicators, and Hearing Officers117,110
Pharmacists119,020
Computer and Information Systems Managers119,170
General and Operations Managers119,850

Last Updated on June 13, 2024

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