The time required for kindergarten children to assemble a specific Lego creation was measured for children who had been instructed for four different lengths of time. Four children were randomly assigned to each instructional group, but two were eliminated during the experiment because of sickness. The length of time (in minutes) to assemble the Lego creation was recorded for each child in the experiment.

Use the Kruskal-Wallis H-Test to determine whether there is a difference in the distribution of times for the four different lengths of instructional time. Use α =.01.

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2 475 .5 h 1-4678 0 n 1-975 58492