: <p>

New score = 2 x (old score) - 10 <p>

: <p>

a.  Average = 70, SD = 5 
 b.  Average = 70, SD = 10
 c.  Average = 60, SD = 0
 d.  Average = 60, SD = 5
 e.  Average = 60, SD = 10 <p>