What is the advantage of reducing process variation, thereby causing process control limits to be at a greater number of standard deviations from the mean

Abakery recorded the number of muffins and bagels it sold for a seven day period. for the data presented, what does the value of 51 summarize? a) mean of bagels b) mean of muffins c) range of bagels d) range of muffins sample # 1 2 3 4 5 6 7 muffins 61 20 32 58 62 61 56 bagels 34 45 43 42 46 72 75

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079