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Marina CMI [18]
3 years ago
11

Which of these r-value represents the weakest correlation?

Mathematics
2 answers:
Tanya [424]3 years ago
4 0

Answer:

Option C is correct.

The value of r=0.2 represents  the weakest correlation.

Step-by-step explanation:

Strongest correlation states that a linear relationship is indicated by a correlation coefficient of -1 or 1.

Weakest correlation states that a linear relationship is indicated by a correlation coefficient equal to 0 or if the value is nearest to 0, then it also represents the weakest correlation.

From the options, the only r-value that is very close to 0 is 0.2.

Therefore, the r-value represents the weakest correlation is, 0.2

Marysya12 [62]3 years ago
4 0
Should be C.

0 means no correlation, so 0.2 is the closest to 0.
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Answer:

See picture and explanation below.

Step-by-step explanation:

With this information, the matrix A that you can find is the transformation matrix of T. The matrix A is useful because T(x)=Av for all v in the domain of T.

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The vector of coordinates can be computed in the following way: if T(v_i)=a_1w_1+a_2w_2+a_3w_3 then [T(v_i)]=(a_1,a_2,a_3)^t.

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T(v_2)=T(v_3)=1\cdot w_1+0w_2+0w_3 hence [T(v_2)]=[T(v_3)]=(1,0,0)^t

The matrix A is on the picture attached, with the multiplication A(1,1,1).

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T(v_1+v_2+v_3)=T(v_1)+T(v_2)+T(v_3)=w_2+w_1+w_1=w_2+2w_1  

In this last case, we can either use the linearity of T or multiply by A.

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