Question: Refer to Exercise 3.48 and the data concerning a vaccine for type B hepatitis. Do these data indicate that there is a different rate of

Refer to Exercise 3.48 and the data concerning a vaccine for type B hepatitis.

Do these data indicate that there is a different rate of incidence of hepatitis between the vaccinated and non vaccinated participants? Use the x2 test for homogeneity in a contingency table.

Vaccinated Not vaccinated 70 Total Hepatitis No Hepatitis Total 549 534 1083 538 464 81 1002

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