Aradio station asks its listeners to call in their opinion regarding the closing of fire stations in the city. identify the sampling method used, and explain why this sample could be biased.

Sample response:

A convenience sample is used. The sample could be biased because it limits the population to listeners of that radio station at a certain time. Callers may be more likely to have a strong opinion on the issue.

d. new methods of assembly are introduced.

explanation:

this allows for the goods to be made on a larger scale. not faster because now it is shown to be made better, hence the greater productivity in the question. it is calling for something new to be introduced.