The 100 members of an extracurricular club at a nearby college are subdivided into 6 groups based on ethnic identification. Since 40% of the club is Caucasian, the researcher ensures that 40% of his sample is also Caucasian. The researcher is using
sampling.
A. cluster
B. stratified
C. random
D. systematic

Answer from each drop-down menu. e characteristics of a borane molecule (bh). the lewis structure and table of electronegativities are given olecular shape is and the molecule is reset next erved. search e a

Acontrol during an experiment. might change remains constant does not exist does change

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?