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

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

    1. 👍
    2. 👎
  2. The sampling distribution is normal and the population standard deviation is unknown

    1. 👍
    2. 👎

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