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ki77a [65]
3 years ago
11

What is the mean absolute deviation for the data set?

Mathematics
2 answers:
ch4aika [34]3 years ago
8 0
10 + 15 + 18 + 20 + 24 = 87
87 ÷ 5 = 17.4

17.4 - 10 = 7.4
17.4 - 15 = 2.4
18 - 17.4 = 0.6
20 - 17.4 = 2.6
24 - 17.4 = 6.6

7.4 + 2.4 + 0.6 + 2.6 + 6.6 = 19.6
19.6 ÷ 5 = 3.92

YOUR ANSWER IS 3.92
ELEN [110]3 years ago
4 0

Your answer would be Option A)

Here's a simple step - by - step explanation

10 + 15 + 18 + 20 + 24 = 87

87 ÷ 5 = 17.4

17.4 - 10 = 7.4

17.4 - 15 = 2.4

18 - 17.4 = 0.6

20 - 17.4 = 2.6

24 - 17.4 = 6.6

_________________________

7.4 + 2.4 + 0.6 + 2.6 + 6.6 = 19.6

19.6 ÷ 5 = 3.92

Hence, our answer:

<h3> 3.92</h3>
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Step-by-step explanation:

Let

b=number of two storey houses,

t=number of three storey houses,

the total number of stories on Algebra Avenue is 95 more than the total number of houses on Algebra Avenue.

2b+3t-95=b+t  =>

b+2t=95 .................(1)

The number of two-story houses is three times greater than the number of three-story houses.

b=3t .....................(2)

Substitute (2) in (1)

3t+2t = 95

5t=95

t=19 ......................(3)

substitute (3) in (2)

b=3t=3*19 = 57 .........(4)

Substitute (3) & (4) in (1)

b+2t=57+2*19=95 checks

Substitute (3) & (4) in (2)

b=3t=3*19=57  checks.

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Answer:

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Answer:

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Step-by-step explanation:

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