What Is the Correct Numerator for Summation with Variable X Sub k?

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Homework Help Overview

The discussion revolves around an inequality involving a summation with variable X sub k in the numerator and the sum of X sub k from 1 to n in the denominator. Participants are trying to clarify the correct interpretation of the variable used in the numerator.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants are questioning the relationship between the variable k in the numerator and the summation in the denominator. There is uncertainty about the correct value for X sub k in the numerator and whether another summation is needed for it to be valid.

Discussion Status

The discussion is ongoing, with participants expressing confusion and seeking clarification on the setup of the problem. Some have suggested that there may be a missing component necessary for understanding the relationship between the numerator and denominator.

Contextual Notes

There is a lack of explicit definitions or constraints regarding the variables involved, which may be contributing to the confusion among participants.

barksdalemc
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I have a problem with an inequality. In the numberator of one term I have X sub k, and in the denominator I have the sum X sub ks from 1 to n. So let's say I use n=2 and have two terms in the denominator Xsub1 and Xsub2. What am I using for the X sub k in the numerator. It definitely is not X sub n.
 
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The k in the numerator does and can not have anything to do with the k in the denominator, unless I'm missing something.
 
The same that I am missing I think. There has to be another summation for that k to exist in the numerator right?
 
barksdalemc said:
The same that I am missing I think. There has to be another summation for that k to exist in the numerator right?

Could you present the problem perhaps..?
 

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