ЁЯУв Too many exams? DonтАЩt know which one suits you best? Book Your Free Expert ЁЯСЙ call Now!

    Question

    What is the standard deviation of first n natural

    numbers?
    A Sq rt [(N^2 -1)/12] Correct Answer Incorrect Answer
    B Sq rt [(N-1)/12] Correct Answer Incorrect Answer
    C Sq rt [(N+1)/12] Correct Answer Incorrect Answer
    D Sq rt [N^2 /12] Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ┬а

    Practice Next
    More Research Questions
    ask-question