📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    For a group of 100 students, the mean and standard

    deviation of scores were found to be 30 and 5 respectively. Later on it was discovered that the scores 34 and 53 were misread as 43 and 35 respectively. The corrected mean equals to:
    A 30.09 Correct Answer Incorrect Answer
    B 30.01 Correct Answer Incorrect Answer
    C 30.41 Correct Answer Incorrect Answer
    D 30.05 Correct Answer Incorrect Answer

    Solution

    The correct answer is A

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call