Tomey AL-2000, Operator'S Manual

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AL-2000 Biometer & Pachymeter
107
1 13 3..3 3 U Ullttrra asso ou un nd d E En ne errg gyy
d d)) C Co on nccllu ussiio on n::
No values exceed the upper limit of the 99% confidence level. From this we
conclude that the ultrasound output is safe for human patients.
1 13 3..2 2..3 3 A Acco ou ussttiicc O Ou uttp pu utt E Evva allu ua attiio on n -- P Pa acch hyym me ette err
a a)) T Te esstt: One-sided T test
Formula: L > X + Ks
Where:
L: Limit
X: Mean of measured values
s: Standard deviation of measured values
K: Factor described in T
Ta ab blle e A A.. 1 12 2d d, p. 315, S Stta attiissttiicca all IIn ntte errvva allss,
Hahn et al.,
Where:
γ:
Confidence level = 1 -
α
p: Proportion of distribution < X = Ks
n: Sample size
b b)) M Me ea assu urre ed d d da atta a
cc)) S Stta attiissttiicca all cca allccu ulla attiio on n
d d)) C Co on nccllu ussiio on n
No values exceed the upper limit of the 99% confidence level. From this we
conclude that the ultrasound output is safe for human patients.