STA304 Assignment 2 Solution Spring 2022 | Download solution in PDF from Website Free Assignment / GDB

Question 1:                                                                                                                         Marks:  5

The sales of Jensen Foods, a small grocery chain, science 2001 are:

Year	($ million)
2001	7
2002	10
2003	9
2004	11
2005	13

 

Determine the least trend line and is codded as 1,2,3,4 & 5 for 2001,2002,2003,2004 and 2005 respectively.

Solution:

Year (X)	($ million) (Y)	XY	X (Square)	Y=a+bx	Y=a+bx
1	7	7	1	1+(2.964*1)	12.964
2	10	20	4	1+(2.964*2)	15.928
3	9	27	9	1+(2.964*3)	18.892
4	11	44	16	1+(2.964*4)	21.856
5	13	65	25	1+(2.964*5)	24.82
	50	163	55

 

Question 2:                                                                                                                         Marks:  5

Find age-specific death rates for the following data.

Age (year)	Population	Number of Deaths
under 1	1363000	317500
1 – 4	5578000	184100
5 –9	6595000	40100
10 – 19	8121000	25500
20 – 29	6818000	32900
30 –  39	5150000	30900
40 –  49	3686000	31600
50 – 59	2403000	27700
60 & over	2679000	13700

 

Solution:

 

Age (year)	Population	Number of Deaths	Average
under 1	1363000	317500	232.942
1 – 4	5578000	184100	33.00466
5 –9	6595000	40100	6.080364
10 – 19	8121000	25500	3.140007
20 – 29	6818000	32900	4.825462
30 –  39	5150000	30900	6
40 –  49	3686000	31600	8.572979

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