Question

A cable wire company has spent heavily an advertisements. The sales and advertisement
expenses (in thousand rupees) and 12 randomly selected months are given in following table.
Develop a regression model to predict the impact of advertisement on sales.
Months Jan
Feb Mar
Apr May Jun
Jul
Aug Sep
Oct
Nov
Dec
3.
Adv.
92
94
97
98
100
102
104
105
105
107
107
110
Sales
930 900 1020 990 1100
1100 1050 1150
1150 1120 1130 1200 1250 1220​

Answer 1

Answer:

if you have 2 easily easily calculate that answer then you firstly you have to make a tally table in this you have to write sales number of frequencies tally marks of that and you have to calculate that data