1.19 A researcher studies the number of hours 2500 Canadians work out every week. Identify the sample and the population for this example. 1.20 University bookstore employees asked 225 students to complete a customer satisfaction survey after these customers bought their books. The bookstore manager wanted to find ways to improve the customer experience. Identify the sample and population for this example.1.19 A researcher studies the number of hours 2500 Canadians work out every week. Identify the sample and the population for this example.