Critical Values

Do one of the following as appropriate

   a. find the critical value Za/2

   b. find the critcal value of tz/2

   c. State that neither the normal nor the t distribution applies

Confidence level 95%: n=20: sigma is known : population appears to be very skewed.

in Statistics Answers by Level 1 User (420 points)

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1 Answer

???????????????????? "z" ??????????????????

???????????????????? "t" ??????????????????

????????????????? :a: >>>>>>>>>>>>>>>>>
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