Homework Submission Template
Problems Numbers Assigned: 1.45, 1.46, 1.47, 1.48, 1.49, 1.50, 1.51
Problem 1.45
A. Describe the population of interest.
• A population consists of all the items or individuals about which the research conclusions
are established.
• In this case, the population of interest is shoppers in US who use mobile device to shop or
purchase a product.
B. Describe the sample that was collected.
• A sample is the portion of population selected for analysis.
• In this case, sample consists of 1600 US adults who have made purchase via their mobile
device
C. Describe a parameter of interest.
• A parameter is a measure that describes a characteristic of a population.
• Parameter of interest for this case would be the average amount spent on purchase using a
mobile device by the US adults (amount spent in entire population)
D. Describe the statistic used to estimate the parameter in ©.
