Statistics and Data Analysis Assignment
Added on 2020-04-01
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Statistics for businessGroup:Student Numbers:Lecturer Name:Number of pages
Table of ContentsQuestion 1:..................................................................................................................................................2(a)Answers to Q1 part (a).................................................................................................................2(b)Answer to Q1 part (b)..................................................................................................................2(c)Answer to Q1 part (c)...................................................................................................................2Question 2...................................................................................................................................................3(a)Answer to Q2 part (a)..................................................................................................................3(b)Answer to Q2 part (b)..................................................................................................................3(c)Answer to Q2 part (c)...................................................................................................................3(d)Answer to Q2 part (d)..................................................................................................................4Question 3...................................................................................................................................................4(a)Answer to Q3 part (a)..................................................................................................................4(b)Answer to Q3 part (b)..................................................................................................................4Question 4...................................................................................................................................................5(a)Answer to Q4 part (a)..................................................................................................................5(b)Answer to Q4 part (b)..................................................................................................................5(c)Answer to Q4 part (c)...................................................................................................................5(d)Answer to Q4 part (d)..................................................................................................................5Question 5...................................................................................................................................................5(a)Answer to Q5 part (a)..................................................................................................................5(b)Answer to Q5 part (b)..................................................................................................................6(c)Answer to Q5 part (c)...................................................................................................................6Question 6...................................................................................................................................................6(a)Answer to Q6 part (a)..................................................................................................................6(b)Answer to Q6 part (b)..................................................................................................................6Question 7...................................................................................................................................................6(a)Answer to Q7 part (a)..................................................................................................................6(b)Answer to Q7 part (b)..................................................................................................................6(c)Answer to Q7 part (c)...................................................................................................................7(d)Answer to Q7 part (d)..................................................................................................................7Summary Sheet...........................................................................................................................................7
Question 1:(a)Answers to Q1 part (a)(i)Sex of the alumnus – Nominal(ii)Major area of study - Nominal(iii)Grade-point index – Interval(iv)Further educational pursuits – Ordinal(v)Current employment status – Nominal(vi)Current annual salary - Ratio(b)Answer to Q1 part (b)Systematic sampling would be the most ideal sampling method to be employed.Assuming that we have a record of 2000 alumni and we would like to sample 10% ofthem. 10% of 2000 is 200. We would find out the kth value i.e.Kthvalue=2000200=10So from the registry, starting say with the second or the first person in the register, wewould count 10 before selecting another person. This will continue until the end whenwe shall obtained our sample of 200. (c)Answer to Q1 part (c)The most ideal way to determine the income of a person without invading into one’sprivacy is probably to give them a range in which their income falls in. For instance, itwould be ideal to ask...Where does your current annual salary fall in?Less than $20,000$20,000 to $34,999$35,000 to $49,999$50,000 to $74,999$75,000 to $99,999
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