Perform a Kruskal-Wallis Test Using the Critical-Value Approach

question 9

Essay

Perform a Kruskal-Wallis test using the critical-value approach.
-A fire-science specialist tests three different brands of flares for their burning times (in minutes)and the results are given below for the sample data. At the 0.05 significance level, do the data provide sufficient evidence to conclude that a difference exists between the mean burn times of the three different brands? Use the Kruskal-Wallis test. $$\begin{array} { l l l l l l l l } \text { Brand X } & 16.4 & 17.6 & 18.3 & 17.0 & 17.1 & 17.3 & \\ \hline \text { Brand Y } & 17.9 & 18.0 & 17.8 & 18.4 & 17.6 & 19.0 & 19.1 \\ \hline \text { Brand Z } & 17.3 & 16.4 & 16.5 & 16.0 & 15.8 & 16.3 & 17.1 \end{array}$$

Identify the distinctions and commonalities in the conditions of white and black servitude/slavery in early American colonies.

Comprehend the origins and impacts of European colonization efforts, including those by the Dutch, and the English acquisition of New Netherland.

Learn about the transatlantic slave trade's early operations, including the seizing of key African slaving posts and the diverse origins of slaves brought to North America.

Gain insights into the legal and social status changes of slaves and free blacks in seventeenth-century America, including landmark cases and laws.

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Definitions:

Reinforcement

In behavioral psychology, an event that strengthens or increases the likelihood of a behavior by providing a consequence an individual finds rewarding.

Microsystem

In bioecological systems theory, the innermost level of context, which includes an individual’s immediate physical and social environment.

Mesosystem

In bioecological systems theory, the relations and interactions among microsystems.

Exosystem

In bioecological systems theory, social settings in which an individual does not participate but has an indirect influence on development.