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Period obs1 obs2 obs3 obs4 Sample Mean Sample Range 1 0.48 0.49 0.51 0.5 0.495 0.03 2 0.46 0.45 0.45 0.49 0.4625 0.04 3 0.51

Period obs1 obs2 obs3 obs4 Sample Mean Sample Range

1 0.48 0.49 0.51 0.5 0.495 0.03

2 0.46 0.45 0.45 0.49 0.4625 0.04

3 0.51 0.53 0.45 0.51 0.5 0.08

4 0.48 0.46 0.55 0.49 0.495 0.09

5 0.48 0.5 0.52 0.51 0.5025 0.04

6 0.54 0.46 0.51 0.49 0.5 0.08

7 0.47 0.54 0.55 0.46 0.505 0.09

8 0.52 0.53 0.54 0.54 0.5325 0.02

9 0.55 0.48 0.46 0.53 0.505 0.09

10 0.53 0.47 0.47 0.49 0.49 0.06

11 0.53 0.52 0.47 0.46 0.495 0.07

12 0.48 0.47 0.53 0.5 0.495 0.06

13 0.54 0.52 0.47 0.47 0.5 0.07

14 0.47 0.52 0.48 0.45 0.48 0.07

15 0.46 0.52 0.55 0.47 0.5 0.09

16 0.5 0.47 0.48 0.52 0.4925 0.05

17 0.47 0.53 0.5 0.53 0.5075 0.06

18 0.5 0.53 0.5 0.48 0.5025 0.05

image text in transcribedimage text in transcribed
To determine if their 0.50 centimeter industrial belts are properly adjusted, Moore Industries has decided to use an J'c-Chart which uses the range to estimate the variability in the sample. Step 5 of 7: Use the following sample data, taken from the next time period, to determine if the process is "In Control" or "Out of Control". Observations: 0.55, 0.58, 0.57, 0.57 Sample Mean: 0.5675 In Control Out of Control Period obs1 obs2 obs3 obs4 Sample Mean Sample Range 0.48 0.49 0.51 0.5 0.495 0.03 N 0.46 0.45 0.45 0.49 0.4625 0.04 W 0.51 0.53 0.45 0.51 0.5 0.08 4 0.48 0.46 0.55 0.49 0.495 0.09 5 0.48 0.5 0.52 0.51 0.5025 0.04 0.54 0.46 0.51 0.49 0.5 0.08 7 0.47 0.54 0.55 0.46 0.505 0.09 8 0.52 0.53 0.54 0.54 0.5325 0.02 9 0.55 0.48 0.46 0.53 0.505 0.09 10 0.53 0.47 0.47 0.49 0.49 0.06 11 0.53 0.52 0.47 0.46 0.495 0.07 12 0.48 0.47 0.53 0.5 0.495 0.06 13 0.54 0.52 0.47 0.47 0.5 0.07 14 0.47 0.52 0.48 0.45 0.48 0.07 15 0.46 0.52 0.55 0.47 0.5 0.09 16 0.5 0.47 0.48 0.52 0.4925 0.05 17 0.47 0.53 0.5 0.53 0.5075 0.06 18 0.5 0.53 0.5 0.48 0.5025 0.05

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