Filariasis is a common infection in tropical and subtropical countries. Several parasites can cause filariasis. In Nigeria a study was conducted to see prevalence of filariasis due to various parasite types. Specific questions of interest are: a) is the proportion of infected cases (in total number examined- column B) due to Onchocerca volvulus constant across communities? b) is the proportion of infected cases due to Onchocerca volvulus ( out of total infected cases- column C) constant across communities?
A data frame with 13 observations on the following 5 variables.
Total number of individuals examined
Total number infected
Number of persons infected with parasite Onchocerca volvulus
Number of persons infected with other parasites
Carry out the tests related to a contingency table.
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