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QUESTION 1 A correlation can be positive or negative. When I correlate the time spent studying...

QUESTION 1

  1. A correlation can be positive or negative. When I correlate the time spent studying and learners’ test scores, I get a correlation of .89. Did I get a positive or negative correlation?

    A.

    ‍Positive Correlation
    B.

    ‍Negative Correlation
math   Statistics-And-Probability   
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Answer #1

the Correlation coefficient is denoted by r

the range of r is -1 to 1

when -1<r<0 ,then the Correlation is said to be negative correlation.

when r=0, then the Correlation is said to be no correlation.

and when 0<r<1 ,then the Correlation is said to be positive correlation.

as you said you got Correlation coefficient r= 0.89 which indicates the strong positive correlation between studying hours & test score

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