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AnnyKZ [126]
3 years ago
11

∠A is an obtuse angle.

Mathematics
1 answer:
dalvyx [7]3 years ago
7 0
C becouse the premises aren't true
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Suppose that grades on a midterm and a final have a correlation coefficient of .5 and both exams have an average score of 75 and
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85

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The correlation coefficient relates the standarized values of the midterms a final score in this way:

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If we issolate y on the equation and solve with the data we have, we get that:

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This means the predicted final score will be 85.

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