Correlation: Understanding the Relationship Between Variables
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Questions and Answers

How is the dose of Praziquantel determined for each child?

  • Based on the child's age
  • Based on the child's gender
  • Based on the child's symptoms
  • Based on the child's height (correct)

In the absence of scales, how can the correct dose of Praziquantel be administered to children?

  • By measuring their height using tablet poles (correct)
  • By estimating their weight visually
  • By giving a standard dose to all children
  • By asking the children for their weight

Which disease is mentioned as being the second most socioeconomically devastating after malaria?

  • HIV/AIDS
  • Tuberculosis
  • Schistosomiasis (correct)
  • Malaria

Why are height poles used to determine the dose of Praziquantel instead of relying on scales?

<p>To avoid any potential errors in weight estimation (D)</p> Signup and view all the answers

What tool is recommended for determining the dosage of Praziquantel in a village without scales?

<p>Height poles (C)</p> Signup and view all the answers

What does a correlation coefficient of 0 indicate?

<p>No relationship (A)</p> Signup and view all the answers

What is the best way to establish a cause and effect relationship?

<p>Conducting experiments (C)</p> Signup and view all the answers

How does an outlier affect the correlation coefficient?

<p>It decreases the correlation coefficient (C)</p> Signup and view all the answers

Which of the following is NOT a factor determining the strength of a correlation?

<p>Scatterplot example (B)</p> Signup and view all the answers

Why are correlations often misinterpreted as indicating cause and effect relationships?

<p>Due to the predictive nature of correlations (D)</p> Signup and view all the answers

What is the purpose of estimating a correlation coefficient?

<p>To determine the strength of a relationship (D)</p> Signup and view all the answers

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