Multiple Histograms on One Chart?
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mcleod.
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November 24, 2002 at 5:16 pm #30872
Hello everyone,
I’m trying to plot two histograms from two different samples on one chart. I’ve tried Excel, Minitab and haven’t had much luck finding a way to do this. Either it isn’t possible, or I’m overlooking how to do it.
Any help with this is appreciated.
Thanks0November 24, 2002 at 5:45 pm #81001Can you rephrase the question. The purpose of a histogram is to understand the form of a distribution, and compare it to a standard.
If all of the data is combined on one histogram you will view the total distribution.
Are you trying to show the shift in x-bar, UCL, and LCL, from two different samples and display both on one chart?0November 24, 2002 at 5:56 pm #81004SQE –
You can do it in Minitab. I had to do this exact thing for one of my projects. It’s good for presentation purposes, but doesn’t yield much data other than giving you a visual. You can plot it, but it doesn’t show much as far as interference or ppm. You still have to run those on the capability study. Here are the steps:
Graph -> histogram -> put data from 1 in X1 then data from 2 in X2
-> frame -> multiple graphs -> click on overlay graphs on same page
-> OK -> OK0November 24, 2002 at 8:55 pm #81006I think that only women blackbelts are able to have multiple histograms.Hope this helps!
0November 26, 2002 at 12:25 am #81048It depends on the skill level of the black belt.
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