Attemp 1 Hou
The following dataset will be used to answer questions 1 to 14. This dataset
represents a random sample of data from a local computer shop. The analyst collected
information from 7 randomly selected months, months 1 to 7. The variable Sales
denotes the number of computers the store sold each month. The variable Adv
denotes the number of ads the computer shop posted online. The analyst was asked
to asses the extent to which increasing the number of ads run online influences sales.
Month
Sales
Ady
1
250
48
2
364
56
3
120
35
4
105
32
5
85
18
6
65
4.
7
65
27
Compute n-1 and enter your answer in the numerical box below.