which sentence is correct

1) Clear enough to me, but perhaps not to everyone
2) Too long
3) Perhaps the best compromise

That position represents a jump of 15 spots from that of last year’s survey. - This is an understandable sentence but not one of smooth variety. From the context, it suggests that it's about the result of a data collection or chart. "spots" somehow does not connect well with "jump", perhaps "points. There are many ways to "skin" the cat

Yes, Goodman has some good alternatives.

Some may choose to have a more compact:

"The latest survey represents a jump of 15 points from last year's"

"The latest survey represents a jump of 15 points from last year's" – That’s one way, I agree.

"The latest survey represents a jump of 15 points from that of last year" - [That of] refers to the survey.



"The latest survey represents a jump of 15 points from last year". This sentence without the apostrophe “s” in my opinion still works because it’s

The word 'points' wouldn't work well if the survey was about something such as the rankings of TV shows, for example. And since Forfarfly began the sentence with "That position", it sounds as though the survey may be referring to just that sort of thing. In that case, using the word 'spot' would be preferable to 'point' and saying "a jump of 15 spots" would also be OK. (The number one spo

That position represents a jump of 15 spots
from that of last year’s survey.

This sentence is the best I think.

Especially, "that of " represents "the poison last year's survey"

thanks for all your help!