but researchers are sometimes frustrated when it comes to working with automobile parts and other large, heavy objects. SEM operators are usually required to prepare samples for observation by ...

More samples or larger samples increases the number of species documented and always approaches the true parameter (S) from below. Connor & Simberloff (1978) analyzed plant community data from the ...

The following data set (WIRE) contains breaking strength measurements recorded in pounds per inch for 25 samples from a metal wire manufacturing process. The subgroup sample sizes vary between 3 and 7 ...