Use the data in the following​ table, which lists carbon dioxide concentrations​ (in parts per​ million) for each year from 1960 to​ 2009, with projected values used for the last four years. After finding the values of the mean and range for each​ decade, find the values of x​, and R. Also find the values of LCL and UCL for an R​ chart, and find the values of LCL and UCL for an x chart.   1960s 317.9 319.4 319.8 321.3 322.8 325.3 326.9 327.4 329.4 330.3 1970s 332.8 333.9 335.1 336.6 338.8 340.2 341.4 343.3 344.3 345.7 1980s 347.2 349.3 350.3 351.8 353.3 354.7 355.9 357.2 359.4 361.1 1990s 362.3 363.9 365.5 366.5 367.8 369.3 371.3 372.5 374.1 375.4 2000s 376.7 378.4 379.6 381.1 382.4 384.1 385.8 387.1 389.6 390.8   x=enter your response here ​(Round to three decimal places as​ needed.) Part 2 R=enter your response here ​(Round to two decimal places as​ needed.)   Compute the values of LCL and UCL for an R chart. LCL=enter your response here​, UCL=enter your response here ​(Round to three decimal places as​ needed.)   Compute the values of LCL and UCL for an x chart. LCL=enter your response here​, UCL=enter your response here ​(Round to three decimal places as​ needed.)

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Use the data in the following​ table, which lists carbon dioxide concentrations​ (in parts per​ million) for each year from 1960 to​ 2009, with projected values used for the last four years. After finding the values of the mean and range for each​ decade, find the values of x​, and R. Also find the values of LCL and UCL for an R​ chart, and find the values of LCL and UCL for an x chart.

 
1960s
317.9
319.4
319.8
321.3
322.8
325.3
326.9
327.4
329.4
330.3
1970s
332.8
333.9
335.1
336.6
338.8
340.2
341.4
343.3
344.3
345.7
1980s
347.2
349.3
350.3
351.8
353.3
354.7
355.9
357.2
359.4
361.1
1990s
362.3
363.9
365.5
366.5
367.8
369.3
371.3
372.5
374.1
375.4
2000s
376.7
378.4
379.6
381.1
382.4
384.1
385.8
387.1
389.6
390.8
 
x=enter your response here
​(Round to three decimal places as​ needed.)
Part 2
R=enter your response here
​(Round to two decimal places as​ needed.)
 
Compute the values of LCL and UCL for an R chart.
LCL=enter your response here​,
UCL=enter your response here
​(Round to three decimal places as​ needed.)
 
Compute the values of LCL and UCL for an
x
chart.
LCL=enter your response here​,
UCL=enter your response here
​(Round to three decimal places as​ needed.)
 
 
 
 
 
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