The core conteThe statement is: "Statistics are used to estimate population parameters, particularly when it is impossible or too expensive to poll an entire population. A particular value of a statistic is referred to as a(n) ________." Options provided are: A. mean B. stratum C. proportion D. estimatent of the provided image and text is a question about cluster sampling. The question asks which of the following options meets the requirements of a cluster sample: Options provided are: A. A population can be divided into 50 city blocks. The sample will include one hundred people who volunteer for the sample from any city block. B. A population can be divided into 50 city blocks. The sample will include two people chosen at random from each city block. C. A population can be divided into 50 city blocks. The sample will include one hundred people chosen at random, without regard to the city block where they live. D. A population can be divided into 50 city blocks. The sample will include all residents from two randomly chosen city blocks