Systematic sampling is a type of probability sampling method in which sample members from a larger population are selected according to a random starting point but with a fixed, periodic interval. This interval, called the sampling interval, is calculated by dividing the population size by the desired sample size.
Answer:
vol of cylinder = πr²h , sorry I cant do it out atm , hope this helps
To find the area you have to have a formula,
A= S²
A=3 2/5× 3 2/5
A=289/25
A=11 14/25