How to Get the Percentile Rank for Grouped Data : Solving Math Problems

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Getting the percentile rank for grouped data is something that you could easily do with the scores from a test. Get the percentile rank for grouped data with help from a mathematics expert in this free video clip.

Expert: Tyler Locke
Bio: Tyler Locke is a graduate from the University of Berkeley, with a Bachelor of Science in Environmental Economics.
Filmmaker: bjorn wilde

Series Description: When it comes to math, it is always important to know various concepts, which can be applied to our day-to-day lives. Find out more about math with help from a mathematics expert in this free video series.

[jacquesandrescaravaca]

I'm just impressed that he is writing mirrored

[jasonwilliams]

this isnt grouped data group data would be something like 52.5-55.5 with frequency of 9 and so on

[少女血まみれの]

Don't you mean for ungrouped data? :/

[thisisthania]

I still don't get it but he's hot so whatever

[somethingthatexists]

If you were to calculate the percentile of a 3 in that data set, what would you use for its rank?

[XXgamemaster]

Interestingly enough, the 50th precentile is the same as the median. In the first example, being asked to find the percentile value of 5 is simple because it's the median. So, it must be the 50th percentile.

[hangjiandeuli]

Are we not gonna talk that he's teaching wrong? This is ungrouped data not grouped data.

[rjdelo]

what  is the purpose of 0.5? and how it comes to be subtracting to its number below that specific value and the 0.5? I'm having a hard time to understand some concepts in statistics.

[ianseegman]

Thanks Woody Harrelson! I never would have guessed you were good at math.

[bintadibba]

Hi great video, thanks for them. keep the coming please. Please what the materials that you are writing on for it to look like the way it is you and the glass board or so. Please help us with a detail explanation, we need something like that. Thanks

[teumelyna]

Thanks for this vid it really heled me a lot

[jamesh]

Still haven't changed the title in 4 years. Winners!

[siddharthrajput]

Can you tell me from where that 0.5 comes..
I couldn't understand that

[Sneakyne]

What if I only have the SUM of the numbers in the grup and not the numbers themselves ? And on top of that I want to find the percentile for a certain interval of the numbers in the group when I know what the interval IS.

[Liz-fndj]

how am i supposed to focus when the teacher's THIS hot

[trish-lo]

wow, some talent he got there, writing those numbers the other way around
how th did he do that? it wasn't mirrored, since if it is, he should've written 11 first instead of 2, but based on how his hand moved it reaaally wasn't
waaa like how the---okay back to the lesson HAHAHA

[verifiedpathshala]

Sir I know a formula for calculate the percentile but, in this formula doesn't have 0.5 extra addition...
Please clear why u used 0.5 extra additional number...

[satyabanukil]

If 10 players are playing, how to rank all of them from 1 to 10 based on the score of each team.

[sirdwight]

is this grouped data or ungrouped data?

[drkhinsantint]

18, 21, 25, 25, 31, 32, 34, 40
what is percentile of 34? formula?