Dr. smith is instructing his graduate students to put together a sample for an upcoming research study of collegestudents. the graduate students were asked to stand outside of the student union to solicit participants, finding 50freshmen, 50 sophomore, 50 juniors, and 50 seniors. what sort of sampling method is being used? quota sampling cluster sampling simple random sampling accidental sampling stratified sampling

Quota sampling

Step-by-step explanation:

Given : Dr. Smith is instructing his graduate students to put together a sample for an upcoming research study of college students.

The graduate students were asked to stand outside of the student union to solicit participants, finding 50 freshmen, 50 sophomore, 50 juniors, and 50 seniors.

Here, the characteristic individuals are chosen out of 4 specific subgroups.

Thus, the sampling method is used here is Quota sampling.

f(x) is the value of the function. b is the value of the function when x equals zero or the y-coordinate of the point where the line crosses the y-axis in the coordinate plane.

step-by-step explanation:

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