Identify each of the following by describing it or stating its value (where possible).
a. Population of interest
b. Sample

c. Parameter of interest
d. Statistic

In order to understand reasons why consumers visit their store, a local business conducts a survey by asking the next 100 people who visit their store to fill out a short survey. The business finds that 40 of the 100 people state that the main reason they visited the store was because the store is running a sale on coats that week.