Assume that there are about peoples and householders in dire dawa city. A statistician who conducted a statistical analysis about the size family size and monthly income of dire dawa households collected data only from households. The found that the average following questions from.
A).If a statistician describes the collected data and uses the result only for dire dawa households, then the statistical approach used is possible?
B). If the statistical used this result to generalize for the households in adis abeba or adama or mekele, then the statistical approach used is possibly?
C). Write the step or stage a statician will probably follow to conduct the above statistical study?
