2
Hope this helps
Mark brainliest please
Egudbschsien eiodnebevieneb
Answer: Y-48
<span>If the median of the values in the data set is Y, it means that Y is the value in the middle of the data set. If 48 will be deducted from each of all values in the data set including Y, then the median of the resulting value will be Y-48. </span>
1 centimetre=0.1 decimetre
therefore the answer is 2.5 decimetres.