# Statistics

The t distribution should be used when ___.
the sampling population is not normal

the sampling population is unimodal

The sampling distribution is normal and the population standard deviation is unknown

the population standard deviation is known

1. 👍
2. 👎
3. 👁
1. How about the third choice?

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2. 👎
2. The sampling distribution is normal and the population standard deviation is unknown

1. 👍
2. 👎

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