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Chena804 Group Title

Statistics Question:

  • 2 years ago
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  1. EulerGroupie Group Title
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    I'm a little weak on stats... but \[z=\frac{x-50}{10}\]

    • 2 years ago
  2. EulerGroupie Group Title
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    look up .2 in a z table... the closest I get is 0.2005 is z=-.08

    • 2 years ago
  3. EulerGroupie Group Title
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    \[-.8=\frac{x-50}{10}\]so x=42 dB and below.

    • 2 years ago
  4. EulerGroupie Group Title
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    But, as I said... this is a weak subject for me.

    • 2 years ago
  5. Chena804 Group Title
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    That's fine I will test it out thank you for the help though. I have been stuck on this stuff for a while but now I have a better idea on it.

    • 2 years ago
  6. EulerGroupie Group Title
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    cool

    • 2 years ago
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    oops... 0.2005 gets z=-0.8.... same result

    • 2 years ago
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spraguer (Moderator)
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