You are not signed in (Login or Join Free)   |   Help
Sploofus Trivia
Trivia GamesCommunityLeaderboardsTournaments
You are here:  Home  >>  Chat Forums  >>  The Salty Dog  >>  View Chat Message

View Chat Message

Pages:  1    

Smaug  (Level: 140.7 - Posts: 2772)
Wed, 4th Jul '07 10:59 AM


Please note this thread in Newbie's:

Smaug  (Level: 140.7 - Posts: 2772)
Wed, 4th Jul '07 8:31 PM

anybody? moderator? something?

Zeedee  (Level: 222.1 - Posts: 1088)
Sat, 7th Jul '07 8:13 AM

I'm just bumping this up hoping to get an "official" response from someone. The Sploofus interpretation of the meaning of "percentile" has bugged me, too.

Rowlanda  (Level: 70.0 - Posts: 2856)
Sat, 7th Jul '07 10:11 AM

Suggest you look in the "newbie" site, as Smaug has posted it for us.

Smaug  (Level: 140.7 - Posts: 2772)
Sat, 7th Jul '07 2:58 PM

No one official answered it in the Newbie section. Oh well, just throwing it out there.

Sargon  (Level: 111.2 - Posts: 1256)
Sun, 8th Jul '07 7:48 AM

This is the definition that was presented in the other thread:

Specialty Definition: Percentile rank

"The percentile rank of a score is the percentage of scores in its frequency distribution which are lower. For example, a test score which is greater than 90% of the scores of people taking the test is said to be at the 90th percentile."


Suppose a quiz is taken by a 100 Sploofusers and 30 got perfect scores. Would that mean a person that got all the questions right would have a percentile ranking of 70 because they scored better than 70% of the population?

Smaug  (Level: 140.7 - Posts: 2772)
Sun, 8th Jul '07 10:32 AM

Yes, I believe that to be correct.

A more interesting scenario would be if the other 70 percent tied with one answer wrong, and I believe someone in that group would be at 0 percentile.

Neither of these scenarios matter as to the question of which scale is correct, of course...

Missashlee  (Level: 125.6 - Posts: 543)
Sun, 8th Jul '07 12:17 PM

All 70 of the 100 who only missed one question would each have a 0% score since the are exactly zero scores lower.

Sorry. I was not being as serious as I should have been in "Newbie’s Corner". I interpreted your issue as the misstatement on the “My Trivia Quiz History” page that "as with all percentile statistics a lower number is desirable", per the definition you cite for “percentile rank”, which assumes a "lower score" is worse. For the time to take the quiz, faster is better in the Sploofus world.

I was just pointing out that Sploofus unambiguously defines both metrics, time and accuracy, as the "percentage of Sploofus users that did better". I thought he was just making the A.P. (accuracy) consistent with the T.P. (time) for ease of viewing, telling us a lower number is better for both statistics. He could have skipped the rest of the explanation.

Are you asking that the "A.P." be changed to the "percentage of Sploofus users that did worse"?

My vote is to keep it the same.

Maybe Sploofus should have said: "As with golf scores a lower number is desirable."

Smaug  (Level: 140.7 - Posts: 2772)
Sun, 8th Jul '07 4:14 PM made me massage my temples

While the better scores would be 'higher' and the better times would be "lower", percentiles would always be expressed in a "desireable" and "undesireable" scale.

It should be corrected, but, hey, I don't have a dog in the fight.

Tuzilla  (Level: 131.0 - Posts: 3769)
Sun, 8th Jul '07 5:47 PM

I once had to write a program to organize, analyze and report out statistic, but I still don't understand them except that bean counters and politicians can make them say anything they want them to say. I once read that 47.2 percent of all statistics are made up on the spot.

Pages:  1    

Copyright © 2003-2016 Sploofus Holdings LLC.  All rights reserved.
Legal Notice & Privacy Statement  |  Link to Sploofus