1. A marketing specialist is interested in investigating whether the number of coffeehouses in a city increases as rainfall increases. To investigate this, the researcher collects information on the number of inches of rainfall per year and the number of coffeehouses in a sample of 35 U. S. cities. She then uses this information to estimate the association between annual rainfall and the number of coffeehouses. a. What is the dependent variable?
b. What is the independent variable?
c. What is the unit of analysis in this research?

Rainfall

Explanation:

It is obvious that the resultant effect of the rainfall led to the increase of coffeehouses in the cities

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a series circuit is one with all the loads in a row. there is only one path for the electricity to flow. if this circuit was a string of light bulbs, and one blew out, the remaining bulbs would turn off.

unlike in series circuits, a charge in a parallel circuit encounters a single voltage drop during its path through the external circuit. the current through a given branch can be predicted using the ohm's law equation and the voltage drop across the resistor and the resistance of the resistor.

a parallel circuit has certain characteristics and basic rules: a parallel circuit has two or more paths for current to flow through. voltage is the same across each component of the parallel circuit.

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