89
Table.13.
concentration of sinc in certain tisques andthe sise (wet
weight) of convict surgeon fish.
ficance
@
oe
6
Eyes
®
r
Signi-
6
Liver
- 786
0707
nN
tTisse_
3
3
G.I.
«450
075k
xy
12
AL af.
Parametric and non-parametric tests of correlation between the
3
Muscle
~.856
~-,925
4
Tre
Signi~
ficance
Decision
about
LR =
0834,
- 881
«=6834
0.1.67
71h
o3J21
750
Accept
— 0929
0893
Reject
87h
5
857
Reject
857
f
l.
n= sample size.
2.
d.f.= degrees of freedom for parametric correlation test.
3.
parametric correlation coefficient.
4.
non~parametric correlation coefficient.
5.
H:= 0
6.
The null hypothesis wuld be rejected at the 5% level on the basis of
null hypothesis: There is no correlation between zinc concentration and sise of fish.
the parametric test. However the non-parametric test indicates that
rejection is not warranted. A larger sample would be desirable.