A researcher wishes to test a hypothesis concerning the mean of a roughly symmetric numerical distribution with an approximately normal looking histogram. She wishes to invoke the central limit theorem to use t test on the scores. What would be her most defensible argument for invoking the central limit theorem?
Added by Lindsey Z.
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This is crucial because it allows for the use of normal distribution-based methods (like the t-test) even when the population distribution is not normal. Show more…
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