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This assignment requires you to perform inferential techniques (based on Lectures and Tutorials in Weeks 7 and 8) on the Kwuntongcorp dataset and then report on your findings.
There are two (2) parts to this assignment:
Part 1: Data Analysis (calculations done by hand, with help from Excel)
Part 2: A reply to Mary Kohli’s memorandum addressing her questions and demonstrating how you have reached your conclusions.
The assignment is to be completed in groups of two or three.Groups are only to be comprised of students from the same class.
As for Assignment 1, you are playing the role of Anil Kumble, Senior Analyst at Kwuntongcorp. Mary Kohli , Human Resources Manager at Kwuntongcorp, has written to you again regarding the Kwuntongcorp dataset. Her memorandum is reproduced below. The basis for your analysis is again the file “Kwuntongcorp.xlsx”.
For Attention: Anil Kumble, Senior Analyst 25/4/2016
From: Mary Kohli, Human Resources Manager
Regarding: Further analysis of dataset
Thank you for your earlier responses. In order for me to finalise the employee profile required by senior management, I need the following information.
I look forward to your response.
Part 1 : ANALYSIS
You will need to apply techniques you have learned/will learn during lectures and tutorials in Weeks 7 and 8.You will also need to use the results of your assignment 1 analysis as the basis for your answers to assignment 2.
NOTE : For all confidence intervals and related calculations you can assume that a 95% confidence level is appropriate. For hypothesis tests a 5% level of significance (α = 0.05) is appropriate.
Part 2: RESPONSE TO MARY
This should be in the form of a memorandum(as for Assignment 1).
The HR Manager has asked for a number of tasks to be done. The following guidelines for each question should be followed:
1. (a) An estimate of the mean salary for ALL Kwuntongcorp employees.
You will need to calculate an estimate of the mean salary for ALL Kwuntongcorp employees.
You will need to be able to interpret your result as demonstrated in the relevant lecture and tutorial.
HINT: The Week 7 lecture and tutorial may be helpful.
1. (b) The proportion of ALL Kwuntongcorp employees who are (very and moderately) satisfied with their job.
You will need to first determine the relevant sample proportion from your data then calculate the estimate of the proportion of ALL Kwuntongcorp employees who are(very and moderately) satisfied with
2. The mean salary in this industry is $28,500. Senior management claims that Kwuntongcorp employees earn more than the industry average.Check the validity of this claim.
You will need to test senior management’s claim using the appropriate technique.
You will need to be able to interpret your result as demonstrated in the lecture and tutorial.
HINT: The Week 8 lecture and tutorial may be helpful.
3. Senior Management also believes that the proportion of (moderately and very) satisfied employees is at least 92% . Is this true?
You will need to test if senior management’s claim is true by using the appropriate technique.
4. Is there a significant difference in the mean salary between ALL male and ALL female employees?
You will need to find out if there is a significant difference in the mean salary between ALL male and ALL female employees.
You will need to be able to interpret your result as demonstrated in the relevant lecture and tutorial, depending on which approach you have chosen.
5. I am concerned that a sample of 450 Kwuntongcorp employees may not provide us with very accurate estimates. For future surveys,what sample size would be needed in order to be able to estimate etc.--?
You will need to calculate required sample sizes to meet the specifications described in Q5a and Q5b.
As for Assignment 1.
For the electronic submission there will be a link in Moodle in the MIS171 portal(Week 10).
As for Assignment 1,the maximum number of pages for the analysis is 8 and for the memorandum is 2.