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icang [17]
3 years ago
13

Why is t distribution better than normal distribution?

Mathematics
1 answer:
scoray [572]3 years ago
8 0
You must use the t-distribution table when working problems when the population standard deviation (σ) is not known and the sample size is small (n<30). General Correct Rule: If σ is not known, then using t-distribution is correct. If σ is known, then using the normal distribution is correct.
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