Home
Class 12
MATHS
The mean of 50 observations were calcula...

The mean of 50 observations were calculated as 4.04 by Mohan who took by mistake 10 instead of 8 for one observation. The correct mean is

A

4.08

B

3.95

C

4.01

D

4

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    AAKASH INSTITUTE|Exercise Section-B Linked Comprehension|5 Videos

  • STATISTICS

    AAKASH INSTITUTE|Exercise Section-C Assertion-Reason|15 Videos

  • STATISTICS

    AAKASH INSTITUTE|Exercise Section-C Assertion-Reason|15 Videos

  • SETS

    AAKASH INSTITUTE|Exercise SECTION-I(Aakash Challengers Questions)|5 Videos

  • STRAIGHT LINES

    AAKASH INSTITUTE|Exercise SECTION-J (AAKASH CHALLENGERS QUESTIONS)|5 Videos

Similar Questions

Explore conceptually related problems

The mean and standard deviation of 100 observations were calculated as 40 and 5.1 respectively by a student who took by mistake 50 instead of 40 for one observation.What are the correct mean and standard deviation?

The mean and standard deviation of 100 observations were calculated as 40 and 5.1 respectively by a student who took by mistake 50 instead of 40 for one observation.What are the correct mean sand standard deviation?

The mean of 100 observations was calculated as 40. It was found later on that one of the observations was misread as 83 instead of 53 The correct mean is

The geometric mean of 6 observation was calculated as 13. It was later observed that one of the observation was recorded as 28 instead of 36. The correct geometric mean is

The mean of 10 observations is 12. If mean of first 6 observations is 13. Find the mean of remaining 4 observations.

The mean of 10 observations is 10.3 by an error an observation is registered as 32 instead of 23. The correct mean is

The calculated mean of 20 observations was 70. It was later discovered that observation 40 was recorded by mistake as 400. What is the correct mean ?