Manufacturing and Product Development
The ceramic tile used to construct the floors in a mall must be sturdy, easy to clean, and long-lasting. Before installing a specific tile, a construction firm orders a box of 25 tiles and uses a standard strength test on each. The results are used to determine whether the tiles will be used throughout the new mall.
a. Describe the population and the sample in this problem.
b. Is this a random sample? If so, justify your answer. If not, describe a technique for obtaining a random sample.