The length of a table leg in centimeters was measured

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Five samples of table legs produced in an automated cutting process were taken each hour for 20 hours. The length of a table leg in centimeters was measured, and yielded the averages and ranges shown in Exhibit 16.10. Use these data to construct Xbar a line over the X- and R-CHarts. Assume that the sample size is 5.

Sample x R

1 95.72 1.0

2 95.24 .9

3 95.18 .8

4 95.44 .4

5 95.46 .5

6 95.32 1.1

7 95.40 .9

8 95.44 .3

9 95.08 .2

10 95.50 .6

11 95.80 .6

12 95.22 .2

13 95.56 1.3

14 95.22 .5

15 95.04 .8

16 95.72 1.1

17 94.82 .6

18 95.46 .5

19 95.60 .4

20 95.74 .6

Reference no: EM1389436

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