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Thread: 4 groups test - is it possible?

  1. #16
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    Excel is a wee critter isn't it!

    Once again John, ta.

  2. #17
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    Sorry to drag this one up again from the grave but I have one more question on it.

    If I wanted to do a t-test for (2) the largest growing medium groups. Would I use a paired t-test or an unpaired. Everywhere I read online seems to confuse me even more.

  3. #18
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    you would do unpaired (also known as independent samples)

    You do a paired test when:

    - the same samples are measured twice
    - the samples are different, but not independent of each other

  4. #19
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    John, I make that about ten drinks I owe you now!!

    haha, ta very much mate.

  5. #20
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    Does this look correct to you guys?

    I think there's an error with the formula.


  6. #21
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    Should the sigma in the first sum be sigma squared just like the other one?

  7. #22
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    You just click on the box to make it bigger. Anyone?

  8. #23
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    I sorted it myself. I guess I'm improving.

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