2. The following data display the number of field goals attempted (FGA) by Steve
ID: 451993 • Letter: 2
Question
2. The following data display the number of field goals attempted (FGA) by Steven Hauschka over the past 8 years and how many of the field goals he made (FGM). We want to see if his kicking abilities are consistent and in control.
Year
FGA
FGM
2008
2
1
2009
13
9
2010
7
6
2011
30
25
2012
27
24
2013
35
33
2014
37
31
2015
31
29
a. Find the UCL.
b. Find the LCL.
c. Is the process in control? Why/why not?
Year
FGA
FGM
2008
2
1
2009
13
9
2010
7
6
2011
30
25
2012
27
24
2013
35
33
2014
37
31
2015
31
29
Explanation / Answer
The process is not in control for X bar chart as the values are x bar are not in between of UCL and LCL.but it ia under control in the case of range (R- chart)
X bar Chart R Chart year FGA FGM X Bar R LCL CL UCL LCL CL UCL 2008 2 1 1.5 1 15.61 21.25 26.89 0 3 9.801 2009 13 9 11 4 15.61 21.25 26.89 0 3 9.801 2010 7 6 6.5 1 15.61 21.25 26.89 0 3 9.801 2011 30 25 27.5 5 15.61 21.25 26.89 0 3 9.801 2012 27 24 25.5 3 15.61 21.25 26.89 0 3 9.801 2013 35 33 34 2 15.61 21.25 26.89 0 3 9.801 2014 37 31 34 6 15.61 21.25 26.89 0 3 9.801 2015 31 29 30 2 15.61 21.25 26.89 0 3 9.801 21.25 3 X double bar R bar standerd Deviation 12.93666 X bar n 3 UCL X Double bar +A2 *R bar A2 1.88 LCL X Double bar - A2 *R bar D3 0 D4 3.267 R bar UCL D4 * R bar LCL D3 * R barRelated Questions
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