KIBU2020-08-252020-08-252018-09-11http://erepository.kibu.ac.ke/handle/123456789/2224STA 343:Sampling survey IIenAttribution-NonCommercial-ShareAlike 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-sa/3.0/us/STA 343:Sampling survey IISTA 343Sampling survey IIOther