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    Henock A.
    ET
    Henock A.

    done

    Rachel N.
    IE
    Rachel N.

    Practice question

    Jahidul I.
    BD
    Jahidul I.

    A teacher is conducting a study to examine the relationship between students' absences and their examination scores. Some of the data are shown below: Days absent (x) Exam score (y) 1 95 50 60 20 78 60 50 25 70 100 20 10 80 40 64 110 10 15 87 (a) Determine the dependent and independent variable. (b) Construct a scatterplot of the data. (c) Use your calculator to calculate the correlation coefficient between days absent and exam score. Interpret your findings. (d) Calculate the coefficient of determination and (e) Comment on the meaning of this figure.

    Jahidul I.
    BD
    Jahidul I.

    what is coefficient of determination ?

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