3 5 Billionaires According to Forbes com the numbers of bil lionaires in the five states in the Midwest with the most billionaires are given in the table Illinois Wisconsin Michigan Minnesota Ohio 20 10 10 6 5 a Find and report the mean number of billionaires per state in context The mean number of billionaires in these five states is Report the number to the nearest tenth b Sketch a dotplot of the data and mark the location of the mean You can use a triangle under the axis A like a fulcrum to mark the location it should be at the balance point c Find and report the standard deviation of the number of billionaires per state in context round to the nearest tenth d Which of the given numbers is farthest from the mean and therefore contributes most to the standard deviation