Please wait...
1800-212-7858 (Toll Free)
9:00am - 8:00pm IST all days

or

Thanks, You will receive a call shortly.
Customer Support

You are very important to us

For any content/service related issues please contact on this toll free number

022-62211530

Mon to Sat - 11 AM to 8 PM

The mean of 25 observations is 36. If the mean of the first 13 observations is 32 and that of last 13 observations is 39. Find the 13th observation.

Asked by Topperlearning User 4th June 2014, 1:23 PM
Answered by Expert
Answer:

Sum of first 13 observations = 13 32 = 416

Sum of last 13 observations = 13 39 = 507

Sum of all 25 observations = 25 36 = 900

The 13th observation = 416 + 507 - 900 = 23

13th observation = 23

Answered by Expert 4th June 2014, 3:23 PM
Rate this answer
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10

You have rated this answer /10

Your answer has been posted successfully!

Chat with us on WhatsApp