Question: The new school principal thought there might be a pattern to the order in which discipline problems arrived at his office. He had his secretary
The new school principal thought there might be a pattern to the order in which discipline problems arrived at his office. He had his secretary record the grade levels of the students as they arrived. [PT14-14]

At the 0.05 level, is there significant evidence of randomness?
9 10 11 9 12 11 9 10 10 11 10 11 10 10 11 12 12 9 9 11 12 10 9 12 10 11 12 11 10 10
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