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Re: Draw approximated normal distribution based on mean, median, percentiles?
If it's truly a normal distribution, they have given you too much information. The mean and median would be exactly the same. The the location of any quantile would be enough to get you the location of any other quantile. On 10/3/06, rflaaten at start.no <rflaaten at start.no> wrote: > Hello all, > > I searched the forum for any info on this, so here goes. > > I need to reference some statistical data from a study. The information > given there for an age distribution is: mean, standard deviation, > median plus the 25th and 75th percentiles. Now, I have tried in vain to > get Excel or SPSS to draw this for me. Is there any way of inputting > percentiles and median into Mathematica? The normal distribution > function only takes mean and sd as far as I know. > > > Any help would be much appreciated. > Richard > > -- http://chris.chiasson.name/