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The data in the table is the number of absences for 5 students and their corresponding...

The data in the table is the number of absences for 5 students and their corresponding grade.

Number of Absence 5 8 9 10 11
Grade 90 78 74 62 58

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Calculate the coefficient of determination, r2r2. Round your answer to three decimal places.

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Y . X-YI X. XI 450 624 64 666 8 Υ.Υ 8100 6084 5476 3844 3364 10 620 11 638 121 ΣΧ = 43, ΣΥ= 362, ΣΧ.Υ= 2998, ΣΧ’ = 391, ΣΥ? =

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