Test Series-19


  • Your test contains 10 multiple choice questions with only one answer
  • This is 30 min test.Please make sure you complete it in stipulated time
  • You can Finish this test any time using 'Submit' button.
  • Once finished you get a chance to review all question with correct answers and their solutions.

1.In a frequency distribution mode is 7.88, mean is 8.32 find the median.?
    cannot be determined

2) The mean of 20 numbers is 31, what will be the new mean, if each observation is increased by 4?
   None of these

3.What measure of central tendency is represented by the abscissa of the point where less than ogive and more than ogive intersect?

   None of these

4. The mean of the frequency distribution. ?
class-interval 50-60 60-70 70-80 80-90 90-100
Frequency 8 6 12 11 13

    None of these

5. The modal class of the grouped size frequency table given below is
class-interval 50-60 60-70 70-80 80-90 90-100 100-110
Frequency 18 62 12 11 13 13

   None of these

6. For ‘more than ogive’ the x-axis represents :
   upper limits of class-intervals
   lower limits of class intervals
   mid-values of class-intervals

7.Find the value of k if the median of the following frequency distribution is 50 ?
class-interval 20-30 30-40 40-50 50-60 60-70 70-80 80-90
Frequency 25 15 k 6 24 12 8

    None of these

8.Which of these is not a measure of centeral tendency of the frequncy distribution

9.The mean of 25 observations is 36. Out of these observations if the mean of first 13 observations is 32 and that of the last 13 observations is 40, the 13th observation is ?

10.The class marks of the frequency distribution is 15,20,25,30......45. What is the class interval for class mark 45?
    none of these

Note to our visitors :-

Thanks for visiting our website. From feedback of our visitors we came to know that sometimes you are not able to see the answers given under "Answers" tab below questions. This might happen sometimes as we use javascript there. So you can view answers where they are available by reloding the page and letting it reload properly by waiting few more seconds before clicking the button.
We really do hope that this resolve the issue. If you still hare facing problems then feel free to contact us using feedback button or contact us directly by sending is an email at [email protected]
We are aware that our users want answers to all the questions in the website. Since ours is more or less a one man army we are working towards providing answers to questions available at our website.