Down-To-Earth sells houses. The following table represents the selling price of a house (y) in thousands of rands and the number of houses sold at that price (x): x 5 15 19 7 y 500 900 1500 2 000 The standard deviation for the number of houses sold is [1] 6,6. [2] 4,0. [3] 11,5. [4] 5,7. [5] none of the above.
Down-To-Earth sells houses. The following table represents the selling
price of a house (y) in thousands of rands and the number of houses
sold at that price (x):
x 5 15 19 7
y 500 900 1500 2 000
The standard deviation for the number of houses sold is
[1] 6,6.
[2] 4,0.
[3] 11,5.
[4] 5,7.
[5] none of the above.


