Hi
Starting with the data values 70 and 100,add three data values to the sample 
so that the mean is 90, the median is 94, and the mode is 94
 {70,x,94,94,100}  \ Must be at least 2 as 94 is the mode...
 70 + x + 94 + 94+ 100 =  450
              x = 92
 {70, ,94,94,100}
,94,94,100}