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STatiana [176]
2 years ago
9

Someone please help me out i don´t understand this question ill give you 21 points

Mathematics
2 answers:
suter [353]2 years ago
8 0

Answer:

0.67

Step-by-step explanation:

Formula: k = y/x

k = 2/3

k = 0.66666666666

k = 4/6

k= 0.66666666666

k = 6/9

k = 0.66666666666

k = 8/12

Round 0.67

Hence, answer = 0.67

[RevyBreeze]

Darya [45]2 years ago
7 0

Answer:

2/3

Step-by-step explanation:

Direct proportions are given by:
y=kx where k is the constant
2=k×3
2/3=k

4=k×6
4/6=k
2/3 = k

6=k×9
6/9 =k
2/3 = k

8 = k×12
8/12 = k
2/3 = k

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Answer:

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Step-by-step explanation:

<u>MAD-</u>

MAD is also known as Mean Absolute Deviation.

We find MAD by the following steps:

  • Firstly we find the mean of the data
  • Then we subtract each entry from the mean to obtain the deviation
  • Then find the absolute value of the deviation which is also known as absolute deviation.
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Now we are given a table of the absolute deviation we just need to calculate the mean of the absolute deviation.

The absolute deviation is given as:

1    3    1    0    0    1    0    0    1    1

The mean of this is calculated as:

\dfrac{1+3+1+0+0+1+0+0+1+1}{10}=\dfrac{8}{10}=0.8

Hence, MAD=0.8




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