Rousseau Visually Inspects Her Data Before Analyzing It Only to Find

question 106

Multiple Choice

Rousseau visually inspects her data before analyzing it only to find that the populations that she sampled appear to have very different variances although her sample sizes are equal.Which assumption of ANOVA has she violated and what should she do?

• A) Heteroscedasticity; she should analyze the data as is but not report it.
• B) Heteroscedasticity; she should report it with her statistics after analyzing the data.
• C) Homoscedasticity; she should proceed as long as the largest variance is not greater than two times the smallest variance and report it with her statistics.
• D) Homoscedasticity; she should substitute some of the data points with the mean of each sample.

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Definitions:

Crowd Action

Collective behavior by people gathered in a public space, often spontaneous and motivated by a common goal or grievance.

Tea Act

A 1773 act by the British Parliament granting the East India Company the right to sell tea to the American colonies free of the taxes that colonial tea sellers had to pay, leading to the Boston Tea Party.

Boston Tea Party

A protest by American colonists in 1773 against British taxation, in which they boarded British ships and dumped tea into Boston Harbor.

Patriot Behavior

The actions and attitudes of individuals who intensely support and defend their country, often associated with the American Revolutionaries who fought for independence from Britain.