The difference was that serfs were required to work for their lord and give him food for exchange of protection when war times appeared. Peasants, on the other hand, had no obligation to do so, they were just people who were agricultural workers and were growing crops.
Answer:
IQ and head size are positively correlated.
Explanation:
Correlational research: In scientific and psychological research, The term, "correlational research" is determined as one of the different types of "non-experimental research" methods in which an investigation, researcher, or experimenter tend to measure or evaluate two different variables and therefore assess and understands the "statistical relationship" between the given variables in the absence of any influence from the extraneous variable.
Positive correlation: Relationship between two different variables that move in a similar direction.
In the question above, Joshua can conclude IQ and head size are being positively correlated.
Answer:
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Explanation:
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