Re: time format & X-Bar control chart in SPSS

From: "Old Mac User" <chendrixstats@xxxxxxxxx>
Date: 3 Apr 2007 07:05:53 -0700

On Apr 2, 3:18 am, Omar <omarfdaw...@xxxxxxxxx> wrote:

Dear Experts,
I have developed an X-Bar control chart (by using SPSS) from a process measurement variable with Date hh:mm format, the range of my data between 0:00 and 9:40, the chart gave me a central line with average = 7361.02, and a y-axis from -5104 till 19826.
May I know where the mistake and how to solve it?
Thanks.
Omar.

It sounds like your axes have been reversed. What is the actual
approximate average value of the thing you are trying to chart? OMU

.

References:
- time format & X-Bar control chart in SPSS
  - From: Omar

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