The sales records for a real estate company are given. From the sample data, the following frequency distributionhas been developed.
Sale Price (1000’s) Number of Houses Sold (frequency)
Calculate the mean, varianceand standard deviationfor the grouped data. Based on the previous answer, how much could the realtor expect to make if he sells 3 houses?
The mean, variance and standard deviation of a real estate company’s number of houses sold is analyzed.