4 - Central Institute of Brackishwater Aquaculture

Natlonal Workshap-cum-Tra~nlng on Bidnfonnatico and Information ManaQement In Aquaculture
Table 4: Generalised Hypothesis tests for model specification and statistical
assumptions
Null Hypothesis (Ho) LOO Test Critical Decision
(likelihood) statistic value
(1) (~~0.05)
p =O 210.79915 7.92248 3.84 Reject Ho
y=60=61= ...... =tiz5= 158.77339 111.974 39.53a Reject Ho
0
y=O 198.16121 33.19836 3.84 Reject Ho
.
81
.-- = S2 ...... = S2%=0 183.23366 63.05346 37.63 Reject Ho
a :X:s is obtained from Kodde and Plam (1986, P.1246)
Table 5. Frequency distribution of technical efficiency estimates for a stochastic
frontier model.
-----.-- -----
Efficiency score Number Oh of farmer Cumulative
class of frequency of
--- farmers - -- farmer
.- --
0.50 - 0.60 6 2.71 17
0.60 - 0.70 90 40.72 125
0.70 - 0.80 88 39.82 199
0.80 - 0.90 30 13.58 21 8
0.90 - 1.0 7 3.17 221
Total 221 100.00 --
Table 6: Relationship between pond size on TE level of carp farm in Kolleru Lake,
Andhra Pradesh, India
.- - - - - - - - . - - -
Marginal Small Semi- Medium Large
(< 1 ha) (1-2 ha) medium (4-10 ha) (>lo ha)
- - - - -- - - - - 12-4 ha) - -. -
Mean TE 0.63525835 0.676256767 0.71594478 0.721440235 0.755257403
Standard 0.017217 0.077395 0.067207 0.07777 0.083428
Deviation
Coefficient 2.710266 11.44464 9.387159 10.77982 11.04634
of
Variation