Answer:
Sample answer: The median of the means for Grade 8 is greater than for Grade 12. However, there is less variation in the data for Grade 12 since the length of the box for Grade 12 is shorter than the one for Grade 8.
<span>The probability of the event that will not occur is 0.73.
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The average score for the entire year is 88.44444, so by rounding down the answer is 88%