In order to take a sample of 1200 people from a population, i first divide the population into men and women, and then take a simple random sample of 500 men and a separate simple random sample of 700 women. this is an example of a:

a. randomized comparative experiment.
b. stratified random sample.
c. a simple random sample.
d. a multistage sample.
e. convenience sampling

() at a farm, animals are fed bales of hay and buckets of gain. each bale of hay is in the shape of a rectangular prism. the base side lengths 2 feet and 3 feet, and the height is 5 feet. each bucket of grain is a cylinder with diameter of 3 feet. the height of the bucket is 5 feet as the height of bale. a. which is larger in area, the rectangular base of the bale or the circular base of the bucket? explain how you know b. which is larger in volume, the bale or the bucket? explain how you know