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Use a calculator to find the correlation coefficient of the data set.
Please provide detailed explanation. (How to get answer)

Use a calculator to find the correlation coefficient of the data set Please provide detailed explanation How to get answer class=

Respuesta :

rbowman565
the answer is -0.953

Answer:

The correct option is C.

Step-by-step explanation:

The given data table is

  x          y

  2         15

  6         13

  7          9

  8         8

  12        5

Using calculator we get

Mean of x =7

Mean of y =10

[tex]SS_x=52[/tex]

[tex]SS_y=64[/tex]

[tex]r=-0.9534\approx -0.953[/tex]

The correlation coefficient of the data set is -0.953.

Therefore the correct option is C.

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