Please Wait

- March 8, 2018
- Jack
- Statistics
- Statistics Assignment
- No Comments

Internal Code: IAH126

**Task:**

The exact instructions for each of the 6 sections is given below

Section 0(Cover page)

“title :bus105 computing assignment semester 2, 2017 ”

“Name:”

“Student number:”

“Allocated sample:”

Section 1

Use the dataset given below you must use the sample allocated to you based on your student number

https://app.box.com/s/56pb6hqu0ypcg0f3lhy6cl5szt1jgdla

Note that for section 1 the answers are provided so you can check your work, the answers will not be provided for the other sections.

A) paste in the scatterplot for your sample into your word document and give a simple comment about the relationship between the variables, (you do not need to submit the excel file)

B) Estimate the annual contribution if the income is $200,000 using the regression line from part (a)

C) Find the zscore of the estimate in part (B) note that average of the estimates is $27,000 with standard deviation $2,100, remember to show your work.

D) using the zscore from part (C) Find P(Z<zscore) , you can find out the answer using www.wolframalpha.com

for example found the zscore was 1.5 if the zscore is 1.5 type in P(Z<1.5) into wolfram alpha.com

E) If there was a list of 10,000 estimates ranked from lowest to highest, what rank do you think your estimate would be close to?

Hint: just use the formula expected rank = P(Z<zscore)*10000, remember to show your work.

Section 2

Use the dataset given below you must use the sample allocated to you based on your student number

https://app.box.com/s/yvhk3e3oymbs3toy6j5xetid82dsjyz4

A) Use the PivotTable feature in excel to find appropriate summary statistics for your sample, This will probably require two PivotTables. You should paste both into word, you do not need the excel file.

Make sure the pivotable (or pivottables) include the following statistics

*Just considering the high risk (riskier type) investments what is the sample size n1 and the proportion of high risk investments that made a loss �”

*Just considering the low risk (safer type) investments what is the sample size =n2 and What is the proportion of low risk investments that made a loss �#

B) Use excel to make an appropriate graph that lets you compare the proportions found in parts A and paste this into your word document

C) Looking at your answers to parts (A) and (B) Make a simple comment about the relationship between the variables investment type (risky or safe ) and Made a profit (made a profit/made a loss)

D) i) Using your sample what is the estimate for p1- p2? In other words what is the difference between the sample proportions �” -�#

ii) Find the zscore of the estimate in part (i) note that average of the estimates is 0.1 with standard deviation 0.0743

iii) using part (ii) find P(Z<zscore) using www.wolframalpha.com for example if the zscore is 0.5 type in P(Z<0.5)”

into wolframalpha.com

iv) IF there was a list of 4000 estimates ranked from lowest to highest, roughly what rank do you expect your estimate to have?

Hint: just use the formula expected rank = P(Z<zscore)*4000

E) test the claim there is a difference in the proportions use a 5% level of significance

i)state an appropriate H0 and H1

ii) find the p-value Only using the answers to part (A) and the webpage http://epitools.ausvet.com.au/content.php?page=z-test-2

Do NOT use any other method to find the p-value

Do NOT use any other software package such as SPSS or Analysis tookpak

iii) state whether or not you reject the H0

iv) give a conclusion in plain English

- CSC72001: Creation and Testing of Database in MYSQL – IT Assessment Answer
- Analysis and Interpretation of the Australian IPO Market – Simple Descriptive Statistics – Finance Assessment Answer
- MIS 596 – Artificial Intelligence for Game Playing – Game Development Assignment Help
- BBE207: Community and Industrial Relations – Principles of Industrial Relations and Human Resource Management – Accounting Assessment Answer
- Historic Performance Practice – Generic Instrumental Technique – Music Assessment Answer

Get 500 Words For FREE on Your Next Assignment By Australia's #1 Assignment Help Provider

All the assignments are checked for the plagiarism and its types by our expert quality assurance team of TV Assignment Help. So, we assure you that every assignment will be 100% percent authentic and original.

The assignments are delivered much before the assignment deadline and we even work on urgent basis. Our experts work accordingly to make the delivery possible before time so that you can ask for revisions.

Please send us a Text on

+61 466 332 323

All documents prepared at TV Assignment Help are written by subject-specific experts who are certified from various renowned universities. Every assignment is checked by our “**Quality Assurance Team**” to check on the quality.

We serve you with our premium services at reasonable prices. You can even compare our prices with other assignment help services to clear your doubts. We even offer seasonal and referral discounts.

Kevin Edward

Queensland

TV391

TV Assignment Help amazed me! In order to do my assignment, I’ve read a lot of sources, but nothing helped. But, the kind of assignment help TV Assignment Help provided was beyond my request. Appreciate your hard work and would definitely recommend you to my fellow mates.
Bacar Silva Jaura

Brisbane

TV386

I approached TV Assignment Help for my dissertation paper. They helped me not only in writing my dissertation, but also to proofread it. I believe that their experts can cope up with any writing you need. The final output had all the relevant points which were mentioned by me. Thank you so much for helping me in writing my dissertation. I highly recommend TV Assignment Help!
Brayden Chan

Adelaide

TV347

I would say that TV Assignment Help has a clear view of how a good assignment should be written. As I ordered an SPSS assignment, and the final result was totally satisfying. The quality of work was really high and it met the standards of writing I needed. You guys are an A+ for me.
Nhatquyen Phan

Perth

TV338

TV Assignment Help serve students by providing high-quality assignments. It was such a relief for me as they provided me the assignment on-time and that too without any errors. I did not have to proofread it again and again, as their experts have done a quality work. Thank You, Guys!
Sagar Chettri

Melbourne

TV490

I had a management assignment due in 10 hours and had no clue what to do. TV Assignment Help turned up as a savior, as I ordered a paper with them and what I got shocked me. Their expert was able to provide the assignment despite the short deadline. The writer delivered a great assignment which got me good grade.
Vinod Mandava

Sydney

TV413

In my opinion, TV Assignment Help is doing an amazing job! I have taken assignment help from them and I like the guarantees they offer, as well as the ability to provide best-discounted offers. They provided my assignments before the deadline. I must say that TV Assignment Help provides what they promise.**Disclaimer 1.1**: The assignment delivery time by TvAssignmentHelp is contingent on the level of expertise, total word count and the technicalities involved.

**Disclaimer 1.2**: The academic papers provided by TvAssignmentHelp are for reference purpose only and not to be used as it is.

* Terms and Conditions Apply

Please Wait