Answer:
It goes up by 2.5
Step-by-step explanation:
Mean equation: (n₁ + n₂ + n₃ + ...)/n
Current mean: (2 + 4 + 7 + 6 + 3 + 6 + 7)/7 = 35/7 = 5
New mean: (2 + 4 + 7 + 6 + 3 + 6 + 7 + 25)/8 = 60/8 = 7.5
Difference: 7.5 - 5 = 2.5
Answer:
the answer is 60
Step-by-step explanation:
2+4= 6
6+7= 13
13+6= 19
19+3=22
22+6= 28
28+7= 35
35+25= 60
