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: Perform experiments to test your hypothesis.
Explanation:
Experiments and hypotheses go hand-in-hand. Hypotheses, which are proposed explanations for scientific observations,
Experiments are designed based on the measurable variables defined in a given hypothesis.
A unit of local government , usually a subdivision of a county, found in most mid-west states of the U.S. and in most Canadian lands.
I hope that my factual definition can help you a lot.
Answer: Defense, Travel, and Supply water for farming
Explanation: