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.
B) I believe I think so I’m not sure
Answer:
Contrary to popular belief, the initial goal of the civil war was to preseve the union, not abolish slavery.
Explanation:
Answer: Initiative;guilty
Explanation:
Erikson stated that the overall personality development occurs through the 8 stages starting from infancy and ending on adulthood.
During the early childhood body undergoes many changes and during this time the children uses perception, motor, cognitive and language skills and interact with children and socializes.They make initiative for things around them, they play, they interact among their friends. This is during the age of 3 to 5 years.
These skills helps in overall development of the child and helps him achieving the smaller goals during childhood. Criticism or control, of any kind during this stage children develop a sense of guilt in them.
Answer: Air Quality Index
Explanation:
An air quality index can be define as the index which is introduced by the U.S Environmental Protection Agency. It gives idea about how clean or polluted the air is. It helps in forecasting of the air pollution. The elevation in the levels of the AQIs indicates that public is at high risk of respiratory diseases associated with the air pollution.
