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


    ⚡ Month End Offer - Flat 52% Off On All Courses! Enroll Now ⚡
    00:00:00 AM Left

    Question

    The average of a group of

    observations is 34.4. If every observation is scaled by a factor of 2.5, what will the resulting average become?
    A 56 Correct Answer Incorrect Answer
    B 74 Correct Answer Incorrect Answer
    C 86 Correct Answer Incorrect Answer
    D 60 Correct Answer Incorrect Answer

    Solution

    ATQ, If each observation is multiplied by 'x', then the new mean becomes 'x' times of average. Therefore, new average = 34.4 Ă— 2.5 = 86

    Practice Next
    ask-question