In a group 200 candidates, the mean and standard deviation of scores were 50 and 20 respectively. Later it was found that two scores 60 and 55 were misread as 58 and 50 respectively. Find the corrected mean with the correct numbers?
50.035
51.035
48.035
49.035
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go