Named
The median amount that Bian saved each month is
$95
$105
$115
$150

$95

Explanation:

The median is obtained by sorting the data from lowest to highest and is the data that is right in the middle, in this case:

45

55

95      ←

150

210

95 is the number right in the middle, so that's the median

answer; /// i believe that one of the causes is (a loss of habitat);

answeramicable; (friendly);