Answer:
If the data is collected in a biased manner, or the number of observations is too small, the graph could be skewed. To ensure the data is not skewed, collect a large representative unbiased sample. Hope this helps
Step-by-step explanation:
19 times 3 equal 57
57 square feet
it is letter c i think
-4
by finding the exact value.
0.036
0.9 x 0.04 = 0.036