Percentile to Z-Score Calculator

Posted Comments

There are 30 Comments

April 30, 2013 | Umesh W wrote:

Gud Calculator,made my job easy 

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March 27, 2013 | anonymous wrote:

Very nice:-) 

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November 26, 2012 | anonymous wrote:

I have been pulling out hair by the roots! Finally, thanks so much for making my Year! 

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September 25, 2012 | mhay wrote:

. A company pays its employees an average wage of $3.25 an hour with a standard
deviation of 60 cents. If the wages are approximately normally distributed,
Determine:
a) the proportion of workers getting wages between $2.75 and $3.69 an hour
b) The minimum wage of the highest 5%.
 

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August 13, 2012 | Clyde Killian wrote:

Nice programs for those that want the concepts but are not into the math. I will use this link in my course. 

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July 30, 2012 | LaVerne wrote:

This is a great site that made everything easy to understand. I will recommend this to my friends 

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February 21, 2012 | Brian Twomey wrote:

Jeff is not only a decent individual but he knows his Z scores, standard deviations, probabilities and his overall mathematics well. I highly recommend Jeff and his services for any mathematical needs. Brian Twomey 

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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 | anonymous 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 | anonymous 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 | anonymous wrote:

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

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September 13, 2010 | anonymous 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 | anonymous wrote:

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

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January 22, 2010 | anonymous 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 | anonymous 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 | anonymous 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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