What is the interquartile range of this data set 2, 5, 9, 11, 18, 30, 42, 48, 71, 73, 81
1 answer:
You might be interested in
Let be the volume of 20% solution,
the volume of the 60% solution. We want a total volume of 400 mL in the final mixture, so
Each mL of either solution will contribute a corresponding concentration, and in the final mixture we want the 400 mL to have a 40% concentration, which means we should also have
Solve the system and we get .