- A15
- B30
- C14
- D16
Step-by-Step Solution
Old total = . Corrected total = 160 - 25 + 15 = 150. Corrected mean = 150 / 10 = 15.
Answer: A) 15
The mean of 10 numbers is 16.
If the number 25 in the data is wrongly read and corrected to 15,
find the corrected mean of the 10 numbers.
Class 7Arithmetic MeanData Handling
Master this chapter in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Arithmetic Mean practice questions
More Class 7 Arithmetic Mean practice
A cricketer scored a mean of 45 runs in 4 matches. In his 5th match he scored 70 runs.…In a class of 30 students in Chennai, the mean marks of all students is 60. The mean…8 observations have a mean of 12. Two new observations, 18 and 22, are added to the…Five consecutive whole numbers have a mean of 12. The numbers are evenly spaced around…The mean monthly income of a family of 5 in Bhopal is ₹8,000. If one earning member who…