What is the conclusion for t-test concerning if the mean child mortality rate for countries in Africa is more than the mean child mortality rate for countries in South Asia? a. There is insufficient evidence that the mean child mortality rate for countries in Eastern Europe is more than the mean Child mortality rate for countries in the Middle East. b. There is insufficient evidence that the mean child mortality rate for countries in Africa is more than the mean Child mortality rate for countries in South Asia. c. There is evidence that the mean child mortality rate for countries in Africa is more than the mean Child mortality rate for countries in South Asia. d. There is evidence that the mean child mortality rate for countries in Eastern Europe is more than the mean Child mortality rate for countries in the Middle East.