The accompanying frequency distribution represents the square footage of a random sample of 500 houses that are owner occupied year round. Approximate the mean and standard deviation square footage.

Square footage	Frequency
0499,		5
500999,		17
1,0001,499		33
1,5001,999		121
2,0002,499		119
2,5002,999		81
3,0003,499		47
3,5003,999		41
4,0004,499		26
4,5004,999		10