<div>
Oh, your column labels are off though. Reliability is not 1-survivability.<br />
Also, x is usually a time-to-failure, not a percentage.
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Tommy,<br />
<br />
Thanks for the observations. &nbsp;I didn't think that a beta parameter of 40 was valid.<br />
<br />
As far as the column labels, take a look at this article:<br />
<br />
<a href="http://www.qualitydigest.com/jan99/html/body_weibull.html" rel="ugc">http://www.qualitydigest.com/jan99/html/body_weibull.html</a><br />
<br />
The percentage thing is a frequency, we're actually trying to find the reliability of a process producing something 70% of the time.<br />
<br />
Your Thoughts?<br />
<br />
Thanks<br />
<br />
aasikolo<br />

</div>


<div>
Anything else you can provide would be appreciated - Thanks again.
</div>


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<div class="content wysiwyg-content">
Good Morning,<br />
<br />
I have been working on setting up the attached weibull analysis spreadsheet in Excel. &nbsp;My beta parameter result is 40 from the regression results . &nbsp;This seems unrealistic, I was wondering if someone could take a look at what is attached and let me know if I have an issue, or if the file contains reasonable results. &nbsp;Yes, this is the first time I've used Weibull analysis.<br />
<br />
Thank you<br />
<br />
aasikolo &nbsp; <a href="https://filedb.experts-exchange.com/incoming/2011/10_w41/508871/Weibull.xls" target="_blank" class="file-inline" title="Weibull Analysis (256 KB)"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 512 512"><path d="M67.508 468.467c-58.005-58.013-58.016-151.92 0-209.943l225.011-225.04c44.643-44.645 117.279-44.645 161.92 0 44.743 44.749 44.753 117.186 0 161.944l-189.465 189.49c-31.41 31.413-82.518 31.412-113.926.001-31.479-31.482-31.49-82.453 0-113.944L311.51 110.491c4.687-4.687 12.286-4.687 16.972 0l16.967 16.971c4.685 4.686 4.685 12.283 0 16.969L184.983 304.917c-12.724 12.724-12.73 33.328 0 46.058 12.696 12.697 33.356 12.699 46.054-.001l189.465-189.489c25.987-25.989 25.994-68.06.001-94.056-25.931-25.934-68.119-25.932-94.049 0l-225.01 225.039c-39.249 39.252-39.258 102.795-.001 142.057 39.285 39.29 102.885 39.287 142.162-.028A739446.174 739446.174 0 0 1 439.497 238.49c4.686-4.687 12.282-4.684 16.969.004l16.967 16.971c4.685 4.686 4.689 12.279.004 16.965a755654.128 755654.128 0 0 0-195.881 195.996c-58.034 58.092-152.004 58.093-210.048.041z"/></svg>Weibull.xls</a>
</div>
</div>


Weibull.xls

Good Morning,

I have been working on setting up the attached weibull analysis spreadsheet in Excel.  My beta parameter result is 40 from the regression results .  This seems unrealistic, I was wondering if someone could take a look at what is attached and let me know if I have an issue, or if the file contains reasonable results.  Yes, this is the first time I've used Weibull analysis.

Thank you

aasikolo   

Oh, your column labels are off though. Reliability is not 1-survivability.
Also, x is usually a time-to-failure, not a percentage.

Tommy,

Thanks for the observations.  I didn&amp;#39;t think that a beta parameter of 40 was valid.

As far as the column labels, take a look at this article:

http://www.qualitydigest.com/jan99/html/body_weibull.html

The percentage thing is a frequency, we&amp;#39;re actually trying to find the reliability of a process producing something 70% of the time.

Your Thoughts?

Thanks

aasikolo


Anything else you can provide would be appreciated - Thanks again.

Weibull Distribution beta parameter

Good Morning,

I have been working on setting up the attached weibull analysis spreadsheet in Excel.  My beta parameter result is 40 from the regression results .  This seems unrealistic, I was wondering if someone could take a look at what is attached and let me know if I have an issue, or if the file contains reasonable results.  Yes, this is the first time I&amp;#39;ve used Weibull analysis.

Thank you

aasikolo   

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