Mathematics · Statistics
The t-distribution or t-test is typically used when:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1the sample size is 30 or less and the population standard deviation is unknown✓
- 2the sample size is 30 or less and the population mean is unknown
- 3the sample size is less than 30 and the population mean is known
- 4the sample size is less than 30 and the population standard deviation is known
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the sample size is 30 or less and the population standard deviation is unknown
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