Identify the sampling technique used.

at a local community college, five statistics classes are randomly selected out of 20 and all of the students from each class are interviewed.
a) cluster
b) stratified
c) systematic
d) random
e) convenience

answer: i'm not going to give you the answer, but some hints to work it out.

step-by-step explanation: so, if there is a straight line that means that the line angle is 180°. so we subtract the 2 angle measures provided, (15 and 38) from 180. so the answer is 180 - (38 + 15). (you have to solve the equation)

-232

step-by-step explanation:

$5.41

step-by-step explanation:

$20 - $14.51 = $5.49.

y/x of point b= y/x of point a

step-by-step explanation:

(i got the same question, this was the correct answer.)