Asked by Lauren Oliveira on Jul 13, 2024
Verified
An economist noticed that nations with more TV sets have higher life expectancies.He established with a scatterplot a high positive correlation between length of life and number of TV sets.Find the lurking variable,if there is one.
A) Sofa
B) TV sets brands
C) Popcorn
D) Wealth of the nation
E) No lurking variable
Life Expectancies
The average period that an individual is expected to live, based on current mortality and health trends.
TV Sets
TV sets refer to devices equipped with a tuner and a screen used for receiving and displaying television broadcasts.
Scatterplot
A graphical representation using dots to show the relationship between two sets of data.
- Discover latent variables within various environments where connections are made among multiple variables.
- Understand the importance of considering lurking variables in interpreting correlations, especially in societal and economic contexts.
Verified Answer
JC
jonathan capocciJul 13, 2024
Final Answer :
D
Explanation :
It is likely that nations with higher GDPs are able to afford more TV sets and also have better healthcare systems, leading to higher life expectancies. Therefore, the lurking variable in this scenario is the wealth of the nation.
Learning Objectives
- Discover latent variables within various environments where connections are made among multiple variables.
- Understand the importance of considering lurking variables in interpreting correlations, especially in societal and economic contexts.
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