1. True or False: When taking a systematic random sample of size n, every group of size n from the population has the same chance of being selected.
2. True or False: A simple random sample is always preferred because it obtains the same information as other sampling plans but requires a smaller sample size.
3. True or False: When conducting a cluster sample, it is better to have fewer clusters with more individuals when the clusters are heterogeneous.
4. True or False: Inferences based on voluntary response samples are generally not reliable.
5. True or False: When obtaining a stratified sample, the number of individuals included within each stratum must be equal.