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SVETLANKA909090 [29]
3 years ago
6

What is the Mean Absolute Deviation or MAD for each city?

Mathematics
1 answer:
ira [324]3 years ago
3 0

Answer:

A: ⅚

B: ⅚

Step-by-step explanation:

City A: 4, 3.5, 5, 5.5, 4, 2

Mean: sum/n

= 24/6 = 4

|x - mean|: 0, 0.5, 1, 1.5, 0 , 2

MAD = sum|x - mean|/n

5/6 = 0.833

City B: 5, 6, 3.5, 5.5, 4, 6

Mean: 30/6 = 5

|x - mean|: 0, 1, 1.5, 0.5, 1, 1

MAD = sum|x - mean|/n

5/6 = 0.833

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Answer:

m<C = 42°

Step-by-step explanation:

Given:

m<A = (2x - 2)°

m<C = (4x - 6)°

m<DBC = (5x + 4)°

Thus:

m<DBC = m<A + m<C (exterior angle theorem of a triangle)

(5x + 4)° = (2x - 2)° + (4x - 6)°

Solve for x

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Collect like terms

5x + 4 = 6x - 8

5x - 6x = -4 - 8

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Divide both sides by -1

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Plug in the value of x

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4 0
3 years ago
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zheka24 [161]

Answer:

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Step-by-step explanation:

Given data

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7 0
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Answer:

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Step-by-step explanation:

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