Question 705042

SCQEASY

A set of 100 data points yields an average $\bar{x} = 9$ and a standard deviation $\sigma_x = 4$ . The error in the estimated mean is closest to

(A)

3.0

(B)

0.4

(C)

4.0

(D)

0.3

Free Exam

Boost Your Exam Preparation!

Move beyond just reading solutions. Access our comprehensive Test Series, original Mock Tests, and interactive learning modules. Many premium tests are completely free!

Original Mocks & Regular Test Series
Real NTA-like Interface with Analytics
Many Free Tests Available

Question 705042

Detailed Solution

Boost Your Exam Preparation!