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Using RStudio, obtain the following descriptive measures for alcohol consumption when drinking alone

You have to use R studio to make this assignment. Look the questions to answer are in the SDM applied project and excel dataset can be found in the excel file attached. A screenshot and r studio needs to be attached to the relevant question.

The College
APPLIED PROJECT – TERM 3 2021
STUDENT NAME STUDENT ID SIGNATURE

UNIT NAME: Statistical Decision Making
UNIT NUMBER: MATH1029
NUMBER OF QUESTIONS: 4
VALUE OF QUESTIONS: Applied project questions are worth 30 marks in total.
ANSWERING QUESTIONS: This applied project is to be completed using RStudio. All handwritten answers are to be written on the space provided in this project.
8 pages INSTRUCTIONS TO STUDENTS
• The file containing the data sets for the following questions can be downloaded from the e-learning site vUWS.
• You should use RStudio to carry out all calculations and statistical analysis which must be shown in the file to be submitted on vUWS. You will be required to submit the R-Script used to perform all the calculations for all the questions. This R-Script should run without errors.
• All answers in this booklet must match your calculations done and submitted in the R-Script.
• To complete this project, you must provide the RStudio outputs for each of the questions.
• Individual projects submitted after the due date will attract a late penalty in accordance with the late penalty policy stated on the Western Sydney University – The College Website.
To upload your R-Script file follow these instructions:
a. Login to “vUWS”.
b. Select the Statistical Decision Making folder.
c. Under the Assessment tab (from the left hand side of the screen), select “Assessment 4:Applied Project (10%)” and select your group.
d. Use “Add attachment” to select the file to be submitted.
e. Double-check to make sure you have the correct file.
f. “Submit” your file.
g. A written hard copy of your applied project containing the
solutions to each question must be handed in by the due date of
this project.
Description of the assignment and data
The assignment centres around a study of drinking habits of young adults.
The data stored in the Microsoft Excel file named SDM AppliedProject 2021.3.xlsx is to be used for the assignment. It can be downloaded from vUWS.
You are to use the data set assigned to you by your teacher to answer all the questions in this assignment.
The data in this file were gathered from young adults aged between 18-30. The participants were surveyed about their drinking behaviour on the previous weeks, while drinking alone, and while drinking with a romantic partner.
The data set comprises of the following variables:
Gender Gender of the participants:
1=Female
2=Male
Age Age of the participants, in years
Alcohol (Drink Alone) Amount of alcohol consumed (per week) by the participants when drinking alone, in standard drinks
Alcohol (Drink with Partner) Amount of alcohol consumed (per week) by the participants when drinking with a romantic partner, in standard drinks
(a standard drink is any drink containing 10 grams of alcohol)
NOTE: The data was randomly created for the sole purpose of this assignment.

Question 1 (6 marks) Marks
In this question you are to investigate the distribution of the amount of alcohol consumption when drinking alone by using descriptive statistics, and a visual depiction of your results.

a) Using RStudio, obtain the following descriptive measures for alcohol consumption when drinking alone. * [2]
i) Mean
ii) Median
iii) Standard deviation
iv) Range
b) Using RStudio, construct a histogram with 5 classes* [2]
You must clearly label the axes and title the graph. [2]
c) Using RStudio, construct a 90% confidence interval for the population mean alcohol consumption when drinking alone*. [2]
* Evidence of work in RStudio is required

Question 2 (8 marks)
It is believed that to reduce the risk of harm from alcohol-related disease or injury, healthy men and women should drink no more than 6 standard drinks a week.
In this question you are to investigate if the average alcohol consumption when drinking alone is within the healthy limit, by carrying out a hypothesis test.

a) Using RStudio, obtain an output for a hypothesis test at a 5% level of significance to determine if the alcohol consumption when drinking alone is less than 6 standard drinks. (Assume that the amount of alcohol consumption when drinking alone are normally distributed). * [2]

b) Using the information in the output, conduct a hypothesis test at a 5% level of significance to determine if the alcohol consumption when drinking alone is less than 6 standard drinks:
i) State the null and alternative hypothesis [1]
ii) State the test statistic including the degrees of freedom [1]
iii) State the decision rule [1]
iv) State the p-value [1]
v) State the decision by giving reasons [1]
vi) Write down the conclusion [1]
* Evidence of work in RStudio is required

Question 3 (8 marks)
In this question you are to investigate if there is a significant difference between the alcohol consumption when drinking alone and when drinking with a partner, by carrying out a hypothesis test for the paired difference.
Marks
a) Using RStudio, obtain an output for a hypothesis test at a 10% level of significance. Assume that the paired differences are normally distributed. * [2]

b) Using the information in the output, conduct a hypothesis test at a 10% level of significance to determine if the alcohol consumption differs significantly when drinking alone and when drinking with a partner:
i) State the null and alternative hypothesis [1]
ii) State the test statistic including the degrees of freedom [1]
iii) State the decision rule [1]
iv) State the p-value [1]
v) State the decision by giving reasons [1]
vi) Write down the conclusion [1]

* Evidence of work in RStudio is required

Question 4 (8 marks) Marks
In this question you are to investigate if there is a correlation between the age and the alcohol consumption (when drinking alone), by performing a regression analysis.
a) Using RStudio, obtain a linear regression output. You must include both the graphical display and statistical analysis summary. * [2]
b) By examining the scatter plot discuss if there is a correlation between the age and the alcohol consumption (when drinking alone). [2]
c) State the coefficient of determination. [1]
d) Obtain the correlation coefficient. [1]
e) Discuss the correlation between the age and the alcohol consumption (when drinking alone) by referring to the numerical values obtained in part c) and part d). [2]
* Evidence of work in RStudio is required

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Obtain information relevant to business issues

BSBINM601 Manage knowledge and information
Answer questions from Bounce Fitness case study
The assessment has been divided into four tasks:
• Task 1: Obtain information relevant to business issues.
• Task 2: Analyze information and knowledge.
• Task 3: Take Decisions on business issues identified.
• Task 4: Disseminate information to the organization.
Submit a completed report by responding all four tasks in Word format.
(You must use Assessment relevant documents- Bounce Fitness) for preparation of this report.
You must provide references at the end of your tasks. No Referencing = Not Satisfactory
Procedures:
Task 1: Obtain information relevant to business issues.
Submit: Develop a report by including the followings:
(You are required to read the Assessment relevant documents (Bounce Fitness) and respond to the questions (Q1 to Q3) below in the context of that case study.)

  1. Identify, define and analyze the business objective, problems and issues. Identify what information you will require to provide to the CEO and Board of Directors to allow them to make a decision.
  2. Investigate the information on the Fitness Australia website. How do you know that the information you are gathering is reliable?
  3. Check the information and ensure that the information you select to use is not contradictory or ambiguous. How will you obtain reliable and other information not held in formal networks from Centers?
    Task 2: Analyze information and knowledge.
    Submit: Add the following information (answer Q4 to Q7) in your report.
  4. Provide a description of the patterns or trends emerging by using a recently published report from Fitness Australia and provide your discussion (which should include the analysis of the statistics featured as part of your interpretation) on the selected relevant trends that may affect Bounce Fitness.
  5. Based on Q4, discuss how the emerging trends in a ‘what if analysis’ and how it would impact Bounce Fitness?
  6. How you have ensured that your analysis has been conducted using a logical approach to the evaluation and conclusions you have drawn?
  7. What are the provisions for a contingency plan if there is a need to adjust any information collection systems currently in place? Briefly discuss on the recommendations to improve on information collection.
    Task 3: Take Decisions on business issues identified.
    Submit: Add the following information (answer Q8 to Q11) in your report
  8. How do you know that you have sufficient information to make valid, credible and reliable recommendations to the CEO and Board of Directors and that it is valid and reliable? Document your recommendations including the use of an information system to capture future information relevant to this project.
  9. Determine acceptable courses of action by following the risk management plans you have put in place.
  10. Provide your decision by following the quantitative methods and discuss why it is essential to consult with specialist to assist decision making
  11. Ensured decisions taken on Bounce Fitness’ information management are in accordance to meeting the organizational objectives, values and standards consistently; delegation/ accountability of the individual/ group responsible; in accordance with organizational guidelines and procedures, and; ensuring the appropriate implementation timeline and justification
    Task 4: Disseminate information to the organization.
    Submit: Complete your report by adding the following information (answer Q12 to Q14)
  12. Discuss any factors, which may affect Bounce Fitness’ Information Management including relevant legislation.
  13. Develop a communications plan for Bounce Fitness and discuss how you would include periodic updates on this plan
  14. Explain why it is important to design and test systems to meet information requirements of Bounce Fitness

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Obtain and contextualise business information for business accounting to explain and apply different concepts of costs to business decisions

HOLMES
INSTITUTE
Assessment Task – Tutorial Questions Assignment 2
Unit Code: HC1010
Unit Name: Accounting for Business
Assignment: Tutorial Questions Assignment 2
Due: 11:30pm, Friday 26th June, 2020
Weighting: 25%
Total Assignment Marks: 50 Marks
Purpose:
This assignment is designed to assess your level of knowledge of the key topics covered in this unit
Unit Learning Outcomes Assessed:
• Obtain and contextualise business information for business accounting to explain and apply different concepts of costs to business decisions;
• Apply, analyse, synthesise and evaluate information from multiple sources to make decisions about the financial performance of entities including assets, liabilities, owner’s equity, revenue and expenses;
• Prepare, analyse, and interpret transaction data and financial statements for data-driven decision- making;
• Evaluate the complex concepts of accounting such as roles and purposes of accounting and preparation of worksheets; and
• Communicate accounting information in writing professionally.
Description:
Each week students were provided with three tutorial questions of varying degrees of difficulty. These tutorial questions are available in the Tutorial Folder for each week on Blackboard. The Interactive Tutorials are designed to assist students with the process, skills and knowledge to answer the provided tutorial questions. Your task is to answer a selection of tutorial questions for weeks 6 to 10 inclusive and submit these answers in a single document.
1
HOLMES
INSTITUTE
The questions to be answered are:
Week 6 – Question 1 (10 marks)
(Note this question is Q3 in the Pre-recorded Tutorial Questions)
The cash flows shown below were extracted from the accounts of Jason Taylor, a music shop owner.
Repayment of loan $390 000
Sale of property 390 000
Interest received 1 560
Payment to employees 78 000
Receipts from customers 273 000
Expenses paid 23 400
Computer equipment purchase 23 400
GST paid 780
Payments to suppliers 156 000
Income taxes paid 3 120
Beginning cash balance 7 800
A. Prepare a statement of cash flows using the direct method. (5 marks)
B. Outline some cash flow warning signals. (5 marks)
2
HOLMES
INSTITUTE
Week 7 – Question 2 (10 marks)
(Note this question is Q3 in the Pre-recorded Tutorial Questions)
Selected information for two companies competing in the catering industry is presented in the table below:
Account Name Lawson Dawson
Current assets $110500 $167900
Non-current assets $250000 $299000
Current Liabilities $58600 $23500
Non-current Liabilities $89700 $145000
Equity $212200 $298400
Profit $75000 $53000
Required:
A. Calculate the following ratios for Lawson and Dawson:
i. Current ratio. (2 marks)
ii. Return on Assets (ROA). (2 marks)
iii. Return on Equity (ROE). (2 marks)
B. From your calculations in part (A), explain which entity is in a more favourable position. (2 marks)
C. Discuss two limitations of ratio analysis as a fundamental analysis tool. (2 marks)
Week 8 – Question 3 (10 marks)
(Note this question is Q3 in the Pre-recorded Tutorial Questions)
King Sports owned by Tim Lane, sells sports equipment to schools and sporting clubs in Victoria.
The following balances were reported in the Balance Sheet as at 30 June 2019.
Account Name Balance ($)
Cash at bank 39 400
Accounts receivable 2 800
Accounts payable 1 200
Capital – Tim Lane 41 000
(Note this question continues over the page)
3
Week 8 – Question 3 (10 marks) (Cont’d)
Transactions for July 2019 were as follows:
July 2 Received $2800 from accounts receivable
3 Paid $1000 of accounts payable
4 Paid rent for July $700
5 Sent invoice to customer $5600
7 Purchased office equipment for cash $2000
9 Recorded cash sales $800
10 Recorded credit sales $1500
14 Purchased office supplies for cash $330
23 Recorded cash sales $2000
31 Cash drawing by Tim Lane $800
Required:
a. Prepare worksheet entries for the business transactions for the month ended 31 July 2019.
(7 marks)
b. Describe how an accounting worksheet assists in the preparation of the statement of profit or loss and the balance sheet. (3 marks)
Week 9 – Question 4 (10 marks)
(Note this question is Q3 in the Pre-recorded Tutorial Questions)
King Sports owned by Tim Lane, sells sports equipment to schools and sporting clubs in Victoria. The following balances were reported in the Balance Sheet as at 30 June 2019;
Account Name Balance ($)
Cash at bank 39 400
Accounts receivable 2 800
Accounts payable 1 200
Capital – Tim Lane 41 000
(Note this question continues over the page)
4
HOLMES
INSTITUTE
Week 9 – Question 4 (10 marks) (Cont’d)
(Note this question is Q3 in the Pre-recorded Tutorial Questions)
July transactions for 2019 were as follows:
July 2 Received $2800 from accounts receivable
3 Paid $1000 of accounts payable
4 Paid rent for July $700
5 Sent invoice to customer $5600
7 Purchased office equipment for cash $2000
9 Recorded cash sales $800
10 Recorded credit sales $1500
14 Purchased office supplies for cash $330
23 Recorded cash sales $2000
31 Cash drawing by Tim Lane $800
Required:
a. Record Journal entries for the business transactions for the month ended 31 July 2019.(4 marks)
b. Record the transactions in the following ledger accounts for King Sports for the month ended 31 July 2019.
(i) Cash account. (1/2 mark)
(ii) Accounts receivable. (1/2 mark)
(iii) Office equipment. (1/2 mark)
(iv) Rent expense. (1/2 mark)
(v) Office supplies expense. (1/2 mark)
(vi) Drawings account. (1/2 mark)
(vii) Tim Lane’s capital account. (1/2 mark)
(viii) Sales revenue account. (1/2 mark)
c. Prepare a trial balance at 31 July 2019. (2 marks)
5
HOLMES
INSTITUTE
Week 10 – Question 5 (10 marks)
(Note this question is Q3 in the Pre-recorded Tutorial Questions)
Mel Gibbeson has recently graduated from a business school and has joined the family business as an accountant. At the first management meeting with production, marketing and sales, a great deal of time was spent discussing the unit cost of products.
Required:
What kinds of decisions can managers make using the unit cost information?
Submission Directions
The assignment has to be submitted via Blackboard. Each student will be permitted one submission to Blackboard only. Each student needs to ensure that the document submitted is the correct one.
Academic Integrity
Academic honesty is highly valued at Holmes Institute. Students must always submit work that represents their original words or ideas. If any words or ideas used in a class posting or assignment submission do not represent the student’s original words or ideas, the student must cite all relevant sources and make clear the extent to which such sources were used. Written assignments that include material similar to course reading materials or other sources should include a citation including source, author, and page number.
In addition, written assignments that are similar or identical to those of another student in the class is also a violation of the Holmes Institute’s Academic Conduct and Integrity Policy. The consequence for a violation of this policy can incur a range of penalties varying from a 50% penalty through to suspension of enrolment. The penalty would be dependent on the extent of academic misconduct and the student’s history of academic misconduct issues. All assessments will be automatically submitted to Safe-Assign to assess their originality.
Further Information
For further information and additional learning resources, students should refer to their Discussion Board for the unit.
6

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