K Grade-point averages. Find the mean and median for the grouped data in the following table. 2.15-2.35 2.55-2.76 13 Interval Frequency 1.95-2.15 18 mean = (Round to two decimal places.) (Round to two decimal places.) median= 2.35-2.55 17 2.75-295 9 B 2.96-3.15 6 3.15-3.35 6 3.65-3.75 3.76-3.05

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