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stiv31 [10]
3 years ago
8

What is the absolute deviation for the numbers: 112,145,108,160,122

Mathematics
1 answer:
Serhud [2]3 years ago
4 0
Absolute deviation is 92.40

Rearrange numbers from least to greatest to avoid confusion.
108, 112, 122, 145, 160

Mean = (108 + 112 + 122 + 145 + 160) / 5 
          = 647 / 5
          = 129.40

Absolute deviation : (number - mean)

*absolute means that a number is always treated as a positive number contrary to its actual value

              108 - 129.40 =   21.40
              112 - 129.40 =   17.40
              122 - 129.40 =     7.40
              145 - 129.40 =   15.60
              160 - 129.40 =  <u> 30.60</u>
total absolute deviation    92.40

Mean absolute deviation = 92.40 / 5 = 18.48

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Step-by-step explanation:

First convert mixed fraction to improper fraction. Then use KCF method

Keep the first fraction.

Change division to multiplication

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3 years ago
What is the simplified expression for the expression below? 4(3x – 2) + 6x(2 – 1) 24x – 3 18x – 8 18x – 7 24x – 14
kvasek [131]

Answer:

Option b 18x-8 is correct answer.

Step-by-step explanation:

We need to simplify the expression 4(3x – 2) + 6x(2 – 1) and find the result.

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6 0
3 years ago
Read 2 more answers
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