add 4 i guess. i dont really know
Answer:
Stratified sampling
Step-by-step explanation:
Samples may be classified as:
Convenient: Sample drawn from a conveniently available pool.
Random: Basically, put all the options into a hat and drawn some of them.
Systematic: Every kth element is taken. For example, you want to survey something on the street, you interview every 5th person, for example.
Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
Stratified: Also divides the population into groups. However, then only some elements of the group are surveyed.
In this question:
Population divided into groups, and random samples are drawn from the groups. This is a mark of stratified sampling.
Answer:
8/8
Step-by-step explanation:
4/4 = 1
8/8 = 1
you can also see it in the number line that 4/4 and 8/8 are located in the same place.
Answer:
22
Step-by-step explanation:
Evaluate!
5(5)-3
25-3
22
