Answer:
Step-by-step explanation:
Answer:
d.a cluster sampling
Step-by-step explanation:
This plan exemplifies Cluster sampling. It is a sampling method where populations are placed into different separate groups like here into freshman, sophomore, junior, and senior classes. A random sample of these groups is then selected as here thirty students selected from each group to represent a specific population.<u> It is usually used in that type of research when there is no possible way to find information about a population as a whole.</u>
Answer:
C
Step-by-step explanation:
There are three turning points.
The local minimums are (-1,-5) and (1, -5)
The local maximum is (0,-4)
Answer:
the blue whale weighs 143.5 more tons than an African elephant
Step-by-step explanation:
an adult blue whale is 300,000 pounds, an adult African elephant is 13,000 pounds
300,000 pounds = 150 tons
13,000 pounds = 6.5 tons
150-6.5= 143.5 tons
Answer:
Plumer : $198
Electrition : $270
Step-by-step explanation:
