Mathematics, 05.02.2021 22:20 babygirl77733
Selma wants to know if seventh-grade students prefer to do their math homework in silence or with background music. She polled the 21 students in her music class. Seven students preferred to do their math homework in silence, and fourteen students preferred to do their math homework with background music. What type of sampling is demonstrated in the situation above?
A. random sampling
B. census
C. convenience sampling
D. Systematic Sampling
Answers: 3
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An angle that measures between 90 and 180° is called a(,
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One integer is 8 times another. if the product is 72, then find the integers
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John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11
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Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?
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Selma wants to know if seventh-grade students prefer to do their math homework in silence or with ba...
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