Percentile to Z-Score Calculator

Posted Comments

There are 23 Comments

November 11, 2011 | Becky wrote:

Thanks for the Z score calculator...after being stuck on Stats homework for 20 minutes because I couldn't understand how to find a z score with a % (because the instructor didn't provide that instruction) your site helped me zip right through z scores and the rest of the problem on my homework! 

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November 1, 2011 | Ebby Mubanga wrote:

It's really GREAT to come across such a UNIQUE website. Please keep it up! Can you please share some more practical examples on calcuation of z scores, correlations, and other related stuff. Thanks. 

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October 13, 2011 | anonomous wrote:

i want to know what is the percentile rank if you have t score of 62? 

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October 10, 2011 | Valeria Regecova wrote:

useful 

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July 16, 2011 | anonomous wrote:

Love having something right on the internet - I don't have to lug around statistical tables just to calculate a z-score from a percentile! 

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June 5, 2011 | anonomous wrote:

this site does not know how to turn percentiles into zscores...  

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September 13, 2010 | anonomous wrote:

i want to get z score for 10th percentile. what is the big deal?? 

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March 18, 2010 | Dan wrote:

Only professional statisticians know how to calculate this. The rest of you damn trolls can use a graphing calculator function:
invNorm(*percent in decimal form*) 

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March 3, 2010 | alexandria wrote:

Drew...get a life its not that cool.... 

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March 3, 2010 | Drew fickleson (Go math!) wrote:

I LOVE MATH!!! THIS IS THEEEE GREATEST WEBSITE EVAAAA!!! LIKE OMG!!!! I LOVE IT!!!!!!!
BLESS YOU FOLKS WHO PUT THIS DANDY SITE TOGETHER!! BLESS YOU!!! 

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March 3, 2010 | alexandria wrote:

i would like to see the problem solved step by step 

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February 1, 2010 | JOE M. wrote:

If A's are given to students who scored 90% above the mean, what would be the minimum Z score of someone receiving an A? 

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January 22, 2010 | anonomous wrote:

need instructions or I wouldn\'t be looking for how to figure this out 

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January 22, 2010 | anonomous wrote:

need instructions or I wouldn\'t be looking for how to figure this out 

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January 19, 2010 | lordly nunki wrote:

Thanks, it's very helpful for my theses 

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October 27, 2009 | Aaron wrote:

If n=6 than what would the 6 Z values be and what formula do you use?

Thanks 

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August 7, 2009 | Betsy wrote:

How can I find the z score with 26.9 as the mean and 8 as the standard deviation? 

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July 23, 2009 | anonomous wrote:

Would like to see the formula 

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July 7, 2009 | Phyllis Irvine wrote:

What is the Standard Score for a T Score of 45? Do you have a conversion chart (Standard scores with T scores equivalent)? 

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September 23, 2008 | EA wrote:

awesome, saved us a bunch of work at uni :D 

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September 8, 2008 | Sinead wrote:

Is it legitimate to transform data in z-scores, using standardised norms, and use this as the DV in a subsequent analysis (e.g. ANOVA) 

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February 21, 2008 | anonomous wrote:

Hi - it would be reassuring if you could also generate a pictorial representation. Otherwise, very handy tool; thanks 

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February 20, 2008 | jim gillett wrote:

How can I find the mean and standard deviation if all I know is the percent under the curve and two of the actual data points 

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