[Checkbox question: the correct 1 point answer is formed by selecting 1 to 4 of the options] - Taguchi loss functions can be used to: Define the variation (+/-) around the target that is acceptable. Determine the cost to the company of production quality issues outside the acceptable variation. Provide an indication when a piece of equipment needs repair or replacement Create a set of observations of variation that can be plotted to look for detrerioration from the targets This is a required question The operations of a + 2