The histograms below show the distribution of quiz scores on a ten point math quiz with and without a fifteen minute review before the quiz. Describe the different shapes of the distributions. Does it appear that the fifteen minute review resulted in improved quiz scores? Explain the evidence that supports your conclusion.
Definitions:
Low-resistance
A characteristic of a material or component that allows a large amount of electrical current to pass through with minimal opposition.
Spike
A sudden, sharp increase or peak in the magnitude of a variable, often used in the context of electrical voltage or signals.
Low Values
Refers to measurements or quantities that are significantly below average or expected levels.
Voltmeter
An instrument used for measuring electrical potential difference between two points in an electric circuit.
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