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:

  • Option 1)

    39

  • Option 2)

    39.7

  • Option 3)

    40.3

  • Option 4)

    37

  • Option 5)

    42.7

Answers (1)
Boost your Preparation for JEE Main 2021 with Personlized Coaching
 
Exams
Articles
Questions