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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.
Data table:
Square footage Frequency
0 - 499 5
500 - 999 17
1,000 - 1,499 36
1,500 - 1,999 121
2,000 - 2,499 119
2,500 - 2,999 83
3,000 - 3,499 45
3,500 - 3,999 45
4,000 - 4,499 22
4,500 - 4,999 7
The mean square footage is x =
The standard deviation square footage is s =
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