Eastern Zone DCSA
Eastern Zone DCSA
Eastern Zone DCSA
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5. ANNEXES<br />
Annex 5.1: Sample size<br />
z 2<br />
(P) (1-P) (f)<br />
e<br />
2<br />
Where:<br />
z= confidence interval (95%)<br />
P= P-Value which assumed some security correlation within the cluster (0.3)<br />
f= is the sample design effect (1.5)<br />
e= the margin of error to be attained (+ or – 5%)<br />
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