Answer:
1. cluster samples rely on clusters of participants;
multistage samples collect data from participants at different stage
Explanation:
Under clusters sampling, sampling plan involves the division of total population into groups (known as clusters) where simple random sample of the groups is selected; elements in each cluster are then sampled.
Multistage sample involve sampling in stages which becomes smaller in each stage. It could be a complex form of cluster sampling.
The piont of initial perturbation. We need at lest three seismographic stations
Answer:
Corporate blog
Explanation:
A corporate blog is a blog that has been used by the organization to attain its goals. The main reason to use the blog by an organization is to promote their organization and these are beneficiary because blogs are easy to catch the eye of people and attractive. These are structured threads of words. There are many types of corporate blogs that can be categorized externally and internally.
Internal blogs are:
External blogs are: Are very biased by nature, offer direct and honest view than traditional communication.
I believe the answer is d. Innovator
Because the River Nile was convenient passageway for conquest.