Answer:
The range will decrease by 1
Step-by-step explanation:
Range: Largest no. - Smallest no.
The range with the original numbers is 7 -1 =6
The range when 1 is replaced by 6,the smallest no. becomes 2 which makes the range 7-2= 5
So 1st range - 2nd range =6 - 5 = 1
