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A test of “homogeneity.” You believe that in each of three voting precincts the proportion…

A test of “homogeneity.” You believe that in each of three voting precincts the proportion…

A test of “homogeneity.” You believe that in each of three voting precincts the proportion of voters for your candidate is more or less the same. In other words, you believe the three precincts taken together are “homogeneous.” Suppose for the three precincts you observed,where  is the proportion of voters in precinct number i who support your candidate.(a) Calculate the Ei's .(b) Evaluate X2 for this data.(c) Does the data challenge your hypothesis?