When testing a hypothesis using a null hypothesis, you use a statement that negates your hypothesis, and, within a certain level of certainty, see if the null hypothesis can be rejected. When testing the null hypothesis, you typically want to be around 95% sure that you can reject it (confidence interval is 95%).
In Rose's case, she is testing the hypothesis that there is a correlation between watching violence on television and aggressive behavior.
Her null hypothesis would be:
"There is not a positive correlation between watching violence on television and aggressive behavior"
or
"The correlation between watching violence on television and aggressive behavior is less than or equal to zero"
Answer:
B) The southern economy was still based on agriculture and cotton, but now depended on sharecropping rather than slave labor.
An essential nutrient is a nutrient required for normal body functioning that can not be synthesized by the body. Categories of essential nutrient include vitamins, dietary minerals, essential fatty acids and essential amino acids.
Octavian's changes were so profound, it changed the Roman World forever. Before he rose to power, it was the Roman Republic. After his death, it was the Roman Empire. But the time period when he ruled is simply called the Age of Augustus or the Augustan Principate. He created the bridge between Republic to Empire. He reformed the Senate, the military, societal structures and religion. He initiated an extensive building programme and shaped and reordered ideology.
