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An equal number of eighth grade students chosen by chance from the athletic teams and school clubs
The researcher made the invalid generalization because equal number of eighth grade students were chosen by chance from the athletic teams and school clubs.
What is invalid generalization?
Invalid generalization can be regarded as an informal fallacy, which involves drawing of conclusion on the basis of one or a few instances.
We can see from the scenario given that those
grade students were chosen by chance out of the whole level so we can make a valid generalization using few samples.
Learn more about invalid generalization at;
https://brainly.com/question/26238937