Please help with the problem and show the calculation.
The following information is showing company Smart's Ltd revenue and advertising costs over 5 years.
|
1
|
2
|
3
|
4
|
5
|
|
Sales revenue (x)
|
70
|
83
|
82
|
53
|
79
|
|
Advertising cost (y)
|
43
|
46
|
47
|
40
|
38
|
The company's revenue for years 6 and 7 are as follows: 96/= and 100/=. Use regression analysis to estimate how much the company is expected to spend on advertisement.