Question: 1. A suggestion box is placed at a restaurant’s cashier to obtain customers’ reactions to the new…

1. A suggestion box is placed at a restaurant’s cashier to obtain customers’ reactions to the new menu.

a. What is the population being surveyed? (1 mark)

b. What type of sample is this? (1 mark)

c. Is this sample biased? Explain. (2 marks)

Solution

1. A suggestion box is placed at a restaurant’s cashier to obtain customers’ reactions to the new menu. a. The population being surveyed is the customers of the restaurant. b. This type of sample is a convenience sample, as it consists of individuals who are easy to reach. c. Yes, this sample is biased. It only includes customers who choose to provide feedback, which may not represent the entire customer base. People with strong opinions are more likely to leave feedback, leading to a potential bias in the results.