PRC-2 · Chapter 12 · Question 11 of 55
If a sample size is notably small (n < 30) and the true population standard deviation remains entirely unknown, which specific statistical test should a researcher rely on?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: A) T-test
Explanation
When standard deviations are unknown and sample sizes fall below 30, the T-test provides a wider, more forgiving distribution curve to accurately assess the data without false confidence.
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