Basic Tools for Process Improvement
Basic Tools for Process Improvement
Basic Tools for Process Improvement
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Interval<br />
Width<br />
<strong>Basic</strong> <strong>Tools</strong> <strong>for</strong> <strong>Process</strong> <strong>Improvement</strong><br />
WORKSHEET<br />
Step 5 - Compute the interval width<br />
=<br />
Range<br />
Number of<br />
Intervals<br />
= =<br />
Round up to<br />
next higher<br />
whole number<br />
HISTOGRAM VIEWGRAPH 21<br />
WORKSHEET<br />
Step 6 - Determine the starting point of each interval<br />
Step 7 - Count the number of points in each interval<br />
INTERVAL STARTING INTERVAL ENDING NUMBER<br />
NUMBER VALUE WIDTH VALUE OF COUNTS<br />
1<br />
2<br />
3<br />
4<br />
5<br />
6<br />
7<br />
8<br />
9<br />
10<br />
HISTOGRAM VIEWGRAPH 22<br />
HISTOGRAM 23
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