Can someone pls help me with this plsss

What is the range of the data below? .8090100

Why is it so easy to buy on impulse and overspend with a credit card? what could you do to counteract this tendency?

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range