please solve for mean and standard deviation

The accompanying frequency distribution represents the square footage of a random sample of 500 houses that are owner occupled year round. Approximate the mean and standard deviation square footage. Click the icon to view the data table. X The mean square footage is x =]. Housing Data (Round to the nearest integer as needed.) Square footage Frequency 0= 499 500 -999 1,000 - 1,499 1,500-1,999 121 2,000 - 2,499 119 2,500 -2,999 3,000 - 3,499 3,500 -3,999 4,000 -4,499 4,500 - 4,999