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A linear regression equation of best fit between a student's attendance and the degree of success in school is h = .5x + 68.5. The correlation coefficient, r, for these data would be?
1. <?r<1
2. -1<?r<0
3. r=0
4. r=-1

  • algebra -

    0<r<1
    in fact, r=.5

  • algebra -

    -1

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