Question: 9. The news media report that a study has found that children who eat breakfast get better math grades than those who do not eat

9. The news media report that a study has found that children who eat breakfast get better math grades than those who do not eat breakfast This result was based on a simple bi- variate association. with X=whether cat breakfast (yes, no) and Y = grade in last math course taken. How might this result be spurious. and how could you check for that pos- sibility?

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