Tomey AL-2000, Operator'S Manual

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AL-2000 Biometer & Pachymeter
106
1 13 3..2 2 U Ullttrra asso ou un nd d E En ne errg gyy
zsp Axial distance at which the reported parameter is measured (centimeters)
x-6,y-6 In plane (azimuthal) and out of plane -6 dB dimensions, respectively, in the
x-y plane where zsp is found (centimeters)
PD Pulse duration (microseconds) associated with the transmit pattern giving
rise to the reported value of the respective parameter
PRF Pulse repetition frequency (Hz) associated with the transmit pattern giving
rise to the reported value of the respective parameter
EBD Entrance beam dimensions for the azimuthal and elevational planes (cen-
timeters).
1 13 3..2 2..2 2 A Acco ou ussttiicc O Ou uttp pu utt E Evva allu ua attiio on n -- B Biio om 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