A frequency table displaying professor Blount's last statistic test is shown. Find the best estimate of the class mean. Grade Interval Number of Students 50-56.5 56.5-62.5 62.5-68.5 68.5-74.5 74.5-80.5 80.5-86.5 86.5-92.5 92.5-98.5 Table 2.25 Find the midpoints for all intervals 1 0 4 4 2 3 4 1

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