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.
Answer:
The correct answer is : one-to-one relationship
Explanation:
This case gives an example of a one-to-one relationship, which expresses one record in a set of information that is associated with one and only one record in another set. It happens when the information given can be linked with only one option in another table of information and vice versa. The element of one set is paired or matched with exactly one element of the other set.
They allow archaeologist to picture what life could of been like
