The World Malaria Report (2008)has information on the number of reported malaria cases from 2005 and 2006 for the 10 countries listed in West Africa.The data are presented in the table below. If the number of malaria cases for Ghana were removed from this data set,what would happen to the mean of the entire data set for the year 2005?
A)The mean would not change.
B)The mean would change.
C)You cannot tell without doing the calculation.

Question

The World Malaria Report (2008)has information on the number of reported malaria cases from 2005 and 2006 for the 10 countries listed in West Africa.The data are presented in the table below.  If the number of malaria cases for Ghana were removed from this data set,what would happen to the mean of the entire data set for the year 2005?
A)The mean would not change. 
B)The mean would change. 
C)You cannot tell without doing the calculation.

Quizplus · Accepted Answer

Removing Ghana would decrease the total number of malaria cases in the dataset for 2005, which would decrease the sum of the cases and change the mean value.

The World Malaria Report (2008)has Information on the Number of Reported