MAT10251 Statistical Analysis

MAT10251 Statistical Analysis Sample Exam 1 – Draft Cover Page

Time allowed to complete this exam is ________________

Only one attempt is permitted.

You must complete your exam on the Exam Questions document in the spaces provided under each question. You can expand the space under each question if needed.

This is an OPEN BOOK exam where the use of study resources such as textbooks and tutorial materials are permitted. Your completed Word document is submitted through Turnitin, hence academic standards of referencing and originality are mandatory.

When complete, upload your Exam document to Assessment Tasks and Submission on the unit MySCU learning site.

EXAM QUESTIONS

8 Questions – short answer

All necessary working should be shown

Attempt ALL questions

Questions not of equal value

Question value shown next to each question Examination marked out of 100 

Action required if you have download or upload issues.

1. If you experience internet connection problems and are unable to download the Exam file you must immediately text the following number ________________ and attach a photo of the error message as evidence.

2. If you experience delays in uploading your completed exam document, you are required to email a copy to your Unit Assessor. However, you will need to complete a successful upload before your exam can be accepted for marking.

Answer on next page.

Question 1 Solution

Question 2 Solution

Question 3 Solution

Question 4 Solution

Question 5 Solution

Question 6 Solution

Question 7 (14 marks)

The general manager of a store believes that experience is the most important factor in determining the level of success of a salesperson. To examine this belief, she records last week’s sales (in $1000s) and the years of experience of 10 randomly selected salespeople.

Partial Excel output of a simple linear regression analysis of the data is given below:

Answer on next page.

Question 7 Solution

Question 8 Solution

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