Stratified random sampling involves dividing the entire population into homogeneous groups called strata. Stratified random sampling differs from simple random sampling, which involves the random selection of data from an entire population, so each possible sample is equally likely to occur.
The pancreas produces the hormone insulin that is responsible for carrying sugar from my body to the cells for use. It has been shown that obese people will have a high incidence of diabetes, therefore it is advisable to lose weight and have a proper diet.
