13 Source: data.world, Summer Products and Sales Performance in E-commerce on Wish by Jefferey Mvutu Mabilama.

a. Describe the population of interest to the researchers.

b. What is the quantitative variable of interest to the researchers?

c. Use the information in the table to estimate the population mean price during the summer in 2020 with a 95% confidence interval.

d. Give a practical interpretation of the interval.

e. Consider a mean price of $6.75. Can this be accepted as the mean price on e-commerce during the summer 2020? Explain.