2.3.1 Sample Size
The sample used for this study was derived from the population using Taro Yamen‟s formula for sample size
determination given thus: n = N/1 + N(e)2. Given that e = 5%, P = 543; then, n is derived as follows: n = 543/1 +
543(0.05)2; 543/1 + 543(0.0025) = 543/2.36 = 230.