Answer: it decreased by 1
Step-by-step explanation: 8+3+6+8+7+9+1= 42/7 = 6 8+3+6+1+7+9+1= 35/7 = 5
6-5=1 so the mean decresed by 1
BRO THIS IS BASIC 6TH GRADE MATH ON IXL ?!?!?!?!?!!!!!!!!!!!!
you really couldn't solve this /-_-/ ?
