Question 7 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.
Month
Sales
Adv
250
48
364
1
2
56
3
120
35
4
105
32
5
85
18
6
65
4
17
65
27
After computing the sample coefficients of variation for the variables Sales and Adv.
compare them and then select the correct answer below.
Based on a comparison of sample coefficient of variations, the variable Sales exhibits more
variability than the variable Adv
Based on a comparison of sample coefficient of variations, the variable Adv exhibits more
variability than the variable Sales
The variable Sales and Adv exhibit the same degree of variability