How much are house values appreciating in Newburg Park, Florida? A realtor is displaying the histogram below, which summarizes the percentage of appreciation in value (over the past five years) for each of a random sample of 25 houses in Newburg Park. Frequency D 10 8 6 5 2 2 10 20 30 40 50 Appreciation (in percent) Based on the histogram, estimate the mean appreciation (in percent) for the houses sampled. Carry your intermediate computations to at least four decimal places, and round your answer to at least one decimal place. X