Two sources of variation in the length of hex bolts exist. Production variation and measurement error. The QC manager knows that the standard deviation from these sources is 0.24" and 0.43" , respectively. What is the total standard deviation.A . .10 inch.B . .19 inch.C . .34 inch.D . .49 inch.E . .67 inch.
Two sources of variation in the length of hex bolts exist. Production variation and measurement error. The QC manager knows that the standard deviation from these sources is 0.24" and 0.43" , respectively. What is the total standard deviation.
A . .10 inch.
B . .19 inch.
C . .34 inch.
D . .49 inch.
E . .67 inch.
相关考题：
i need a _______________ milk for this recipe. A. two-litre carton ofB. two litres carton ofC. two-litres-carton ofD. two-litre carton
The professor asked us to write a _____________ report.A、two-hundreds-wordsB、two-hundreds-wordC、two-hundred-wordsD、two-hundred-word
Refer to Topic TestKing.com in iPAD document.What happens to the network when TestKingX is reconnected and a trunk exists between the two switches?() A. All VLANs except the default VLAN will be removed from all switches.B. All existing switches will have the students, admin, faculty, Servers, Management,Production, and no-where VLANs.C. The VLANs Servers, Management, Production, and no-where will replace the VLANs on SwX.D. The VLANs Servers, Management, Production, and no-where will be removed from existing switches.
Americans choose pasta,fruit,and vegetables,which supply them with carbohydrates,to give them strength for physical activities.For romantic dinners,however Americans choose shrimp and lobster.Americans’awareness of nutrition,along with their changing tastes and needs,leads them to consume a wide______of foods.A.sortB.varietyC.kindD.variation
名词解释： 1、遗传（heredity）： 2、变异（variation）： 3、遗传学（genetics）： 4、可遗传（heritable)变异： 5、不可遗传（non-heritable)变异：
9、variation的中文是（）