Answer:
A) The greater the variance within the population, the larger the sample should be.
Explanation:
The variance of a sample mean is inversely proportional to the sample size, that is, the larger the sample size the smaller the variability of the sample. When sample size increases, the range decreases and hence the variance decreases resulting in a more accurate research result with minimal experimental error.
Hence the researcher should employ a large sample size to reduce the variation in the population.
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Answer:
As a <u><em>top level</em></u> manager, Randall focuses on the survival, growth, and overall effectiveness of the organization, and he interacts extensively with outside individuals and organizations.
Explanation:
A top-level manager can be described as a manager who is responsible for the overall management and effectiveness of an organization. They can also be described to be the senior executives for a business. They work on the top level and the middle-level executives and frontline executives report to them.
As Randal functions to improve the overall effectiveness of the organization and he does not have to report to other executives hence he is a top-level executive.
