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23 October, 03:25

A researcher measures IQ and weight for a group of college students. What kind of correlation is likely to be obtained for these two variables?

a) a positive correlation

b) a negative correlation

c) a correlation near zero*

d) a correlation near one

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Answers (1)
  1. 23 October, 04:43
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    Option b

    Step-by-step explanation:

    Given that a researcher measures IQ and weight for a group of college students.

    In general, we think that the weight has nothing to do with IQ of a person and hence not correlated.

    But if we go deep, we find that after a certain weight, the person becomes lazy and inactive with a chance to have reduced IQ

    Weight gain causes also health problems including less activity of both brain and body and hence there is a chance for less IQ

    So we find that as weight increases iq decreases and when weight decreases, IQ increases.

    Thus we can say that there is a negative correlation but not necessarily near to one.

    Hence option b is right
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