Which sampling technique is most desirable in quantitative research? a. random sample b. convenience sample c. purposeful sample d, criterion-based sample

A) random sample

Explanation:

Random sample is the best sampling technique for the quantitative research as, random sample comes under the probability sampling and it occurred randomization when the parameters of the sampling frame has the equal opportunity for sampling. When we want to draw the random sample, the research started with the list of elements and members and this list sometimes contain the sampling frame.

answer: -2+√x,-2-√x

i hope this , i don't know if you're looking for a pair or not.