Mathematics
NULL
Medium
Question
The arithmetic mean of 75 numbers is 35. If each number is increased by 5, what is the new mean?
A
30
B
40
✓ Official correct answer
C
70
D
90
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
30
No member explanations yet for this option.
B
40
No member explanations yet for this option.
C
70
No member explanations yet for this option.
D
90
No member explanations yet for this option.
Explanation
Adding 5 to every value raises the mean by 5 ⇒ 40.