All about flooble | fun stuff | Get a free chatterbox | Free JavaScript | Avatars    
perplexus dot info

Home > Numbers
Basic Statistics (Posted on 2007-03-26) Difficulty: 2 of 5
A set of seven positive integer numbers has the following properties:

  • The mode of the set is 1.
  • The mean of the set is 4.
  • The median of the set is 5, and occurs just once.
  • The range of the set is 6.
  • What are the numbers?

    See The Solution Submitted by Brian Smith    
    Rating: 5.0000 (1 votes)

    Comments: ( Back to comment list | You must be logged in to post comments.)
    Solution Method | Comment 3 of 6 |

    _ _ _ 5 _ _ _ all positives in order, median is 5

    1 1 _ _ _ _ _ need at least two ones to make the mode 1

    1 1 _ 5 _ _ 7 range is 6

    1 1 1 5 _ _ 7 reamaining blanks are 6 6 or 6 7 so need 1 1 1

    1 1 1 5 6 7 7 sum is 28 so mean is 4


      Posted by Jer on 2007-03-26 11:36:35
    Please log in:
    Login:
    Password:
    Remember me:
    Sign up! | Forgot password


    Search:
    Search body:
    Forums (0)
    Newest Problems
    Random Problem
    FAQ | About This Site
    Site Statistics
    New Comments (14)
    Unsolved Problems
    Top Rated Problems
    This month's top
    Most Commented On

    Chatterbox:
    Copyright © 2002 - 2024 by Animus Pactum Consulting. All rights reserved. Privacy Information