Twelve samples, each containing five parts, were taken from a process that produces steel rods at emmanuel kodzi's factory. the length of each rod in the samples was determined. the results were tabulated and sample means and ranges were computed. the results were sample sample mean (in.) range (in.) 10.002 10.002 9.991 10.006 9.997 9.999 10.001 10.005 9.995 10.001 10.001 10.006 0.011 0.014 0.007 0.022 0.013 0.012 0.008 0.013 0.004 0.011 0.014 0.009 4 6 8 9 10 12 a) determine the upper and lower control limits and the overall means for -charts and r-charts. b) draw the charts and plot the values of the sample means and ranges. c) do the data indicate a process that is in control? d) why or why not?

answer; bootstrapping is your answer;

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;

answertrue;

credit history is used by lenders to determine whether you are a 'risky' person to give their money to.

having a short history provide very little data for the lenders. they wouldn't be able to determine your credit behavior from such a small samples. even if they are perfect.

having long credit history with few blemishes provide larger and more accurate data for the lenders to predict your credit behavior.