Correlation: Understanding the Relationship Between Variables

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11 Questions

How is the dose of Praziquantel determined for each child?

Based on the child's height

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

By measuring their height using tablet poles

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

Schistosomiasis

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

To avoid any potential errors in weight estimation

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

Height poles

What does a correlation coefficient of 0 indicate?

No relationship

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

Conducting experiments

How does an outlier affect the correlation coefficient?

It decreases the correlation coefficient

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

Scatterplot example

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

Due to the predictive nature of correlations

What is the purpose of estimating a correlation coefficient?

To determine the strength of a relationship

Learn about correlations and the common misconception of inferring causation from correlation. Define terms such as correlation and understand the strength of relationships between variables.

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