An assumption underlying the use of t-statistic in sample-based estimation is that the population is normally distributed.

Name: An assumption underlying the use of t-statistic in sample-based estimation is that the population is normally distributed.
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The t-statistic is based on the assumption that the underlying population from which the sample is drawn is normally distributed, especially important when dealing with small sample sizes.

An Assumption Underlying the Use of T-Statistic in Sample-Based Estimation