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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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