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23 May, 04:15

Twenty different statistics students are randomly selected. For each of them, their body temperature (degrees° C) is measured and their head circumference (cm) is measured.

a. For this sample of paired data, what does r represent, and what does ρ represnts

b. Without doing any research or calculations, estimate the value of r.

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  1. 23 May, 04:38
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    r symbolizes a value of the linear correlation coefficient calculated for from the specific paired sample data in the sample.

    ρ is a Spearman's rank correlation coefficient or Spearman's rho that symbolizes a parameter that represents the value of the linear correlation coefficient that would be computed by using ranks all of the paired data in the population for all statistics students.

    r is estimated to be zero , since there's no correlation between body temperature and head circumference.

    Step-by-step explanation:

    Spearman's rank correlation coefficient or Spearman's rho is a nonparametric measure of rank correlation
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