If the sample size is larger than 30 for one group, the researcher should utilize the t-distribution to test for significant differences.

Name: If the sample size is larger than 30 for one group, the researcher should utilize the t-distribution to test for significant differences.
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Quizplus · Accepted Answer

For large sample sizes (typically n > 30), the normal distribution is used instead of the t-distribution because the sample mean distribution approaches normality due to the Central Limit Theorem.

If the Sample Size Is Larger Than 30 for One