Answer: Sale of newspaper in a convenience store is more variable.
Step-by-step explanation:
For variability or consistency , we use the method of coefficient of variation, which states that
[tex]\text{coefficient of variation}= \frac{\text{Standard deviation}}{\text{ Mean }}\times 100[/tex]
So for sale of newspaper in an airport newsstand is given by
[tex]\text{coefficient of variation}\\\\=\frac{9}{59}\times 100\\\\=\frac{900}{59}\\\\=15.25\%[/tex]
Similarly, for sale of newspaper in a convenience store is given by
[tex]\text{coefficient of variation}\\\\=\frac{8}{36}\times 100\\\\=\frac{800}{36}\\\\=22.22\%[/tex]
Since we get that the sale of newspaper in a convenience store is more than the sale of newspaper in an airport newsstand.
So, Sale of newspaper in a convenience store is more variable.
