Answer:
<em>mean absolute deviation would be 2.75</em>
Step-by-step explanation:
mean: 4 + 2 + 2 + 10 = 18/4 = 4.5
4.5 - 4 = 0.5
4.5 - 2 = 2.5
4.5 - 2 = 2.5
4.5 - 10 = 5.5
mean absolute deviation: 0.5 + 2.5 + 2.5 + 5.5 = 11/4 = 2.75
~hope this helps~
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Adjective: Made up of various parts or elements
Answer:
17
Step-by-step explanation:
21 - 4 = 17
Substitute values
For this problem we can use a proportion to solve.
Set up the proportion.

Cross multiply.

Divide.

So, it would cost $13,200 to have a 1,100 square foot roof installed.