H6) introducing different sized atoms into the crystal or grain can prevent: slip corrosion hardness conductivity
5. dislocation densities for ceramics are very low and usually as low as 10pmm a. true b. false

11. minitab software was used to find the lsrl for a study between x=age and y=days after arthroscopic shoulder surgery until an athlete could return to their sport. use the output to determine the prediction model and correlation between these two variables. predictor coef se coef t p constant -5.054 4.355 -1.16 0.279 age 0.2715 0.1427 1.9 0.094 r-sq = 31.16%