Answer:
cluster sample
Explanation:
Cluster sampling is used in statistics with the natural population. the population is divided into subgroups and then through random sampling researcher selects a random sample from the subgroups of the population. This sampling has been used in market researcher When the researcher does not get the information as a whole. Suppose a person wants to know about the taxes in the city, the researcher selects the cities and collect data from that city and implement that data on the whole population. It is more practical and more reliable then stratified and simple random sampling. In this sampling, the data should be heterogeneous. each cluster of the population should be the representation of the whole population.
<u>It is of two types:
</u>
- Single-stage cluster sampling
- Two-stage cluster sampling
Answer:
Yes, there is an ethical problem in the Canadian government's decision.
Explanation:
We know that the cigarette industry is obliged to add to the cigarette boxes, photographs that show the health problems that smoking can trigger. These problems are very serious and destructive, generating horrible images that aim to encourage people to stop smoking.
As the images are very strong, the ideal, for an ethical matter is to keep them in black and white, because leaving them in color can trigger psychological problems, malaise and intense discomfort in people. Provoking these sensations on purpose is very unethical.
Answer:When an object is heated the motion of the particles increases as the particles become more energetic. If it is cooled the motion of the particles decreases as they lose energy.
