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					                          Power CALCULATOR - v2. March 31st, 2011
                           Prof. John Barroso - Duquesne University
                       More statistical calculators: barrosox@yahoo.com
                Can be posted and used anywhere for non-commercial purposes.




                                   LEFT-TAIL TEST     RIGHT-TAIL TEST

μ as assumed in population             14.6                400
σ as assumed in population              3                   44
n                                       5                   44
Significance level (not alpha)         0.95                0.90
         μ
HYPOTHESIZED                           9.00               405.00
POWER = 1 - B                       0.9943              0.2988
POWER IN PERCENTAGE                 99.43%              29.88%
Z                                  -1.64         1.28
SDM                            1.341640786   6.633249581
ME                                2.2068        8.5009
LOWER C.I.                       12.3932       391.4991
UPPER C.I.                       16.8068       408.5009

Z at the difference between
Interval Boundary and
Hypothesized μ                    2.53          0.53
Area to infinity                 0.0057        0.7012
BETA = 1 - sum of tails area     0.0057        0.7012
cial purposes.




         TWO-TAILED TEST

                  400
                   55
                   44
                  0.90
                 405.00
            0.1610
            16.10%
    1.64
8.291561976
   13.6384
  386.3616
  413.6384



   -2.25        1.04
  0.0123      0.1487
  0.8390

				
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posted:8/12/2011
language:English
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