Proportional stratified sampling occurs ______.
A. as a non-probability random sampling process
B. when the identified subgroups in the sample are represented in the exact same proportion in which they exist in the population
C. when the representations of subgroups in the sample are equivalent to one another, as opposed to reflecting the proportions in the population at large
D. when other techniques are too time-consuming
Ans: D
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Many occupations requiring technical ability face a labor shortage because:
a) most students major in liberal arts and the humanities. b) employers have drastically raised the requirements for technical jobs. c) not enough skilled workers can be found to fill technical jobs. d) the pay is low for most technical jobs.
In 1950 fewer than 15% of Black students finished high school
Indicate whether the statement is true or false.
At the pre-K level, classroom should:
A. be organized into large open spaces. B. contain a minimum amount of literacy materials. C. be organized into clearly defined centers. D. contain a maximum of 4 centers.
Which of the following would not be considered an area of routine?
a. Handing in assignments b. Taking attendance c. Using the restroom d. Working on assignments