Which of the following definitions is not correct a. A sample is a subset of the population that is used to represent the whole population b. Strata are Smaller groups of the population formed based...

Extracted text: Which of the following definitions is not correct a. A sample is a subset of the population that is used to represent the whole population b. Strata are Smaller groups of the population formed based on the size of the samplerelative to the population. c. Astratified random sample is a population sample that requires the population to be divided into strata so that random samples can be taken from each stratum. d. Apopulation consists of allmembers of a defined group that possess specific characteristics that you are interested in studying