Selma wants to know if seventh-grade students prefer to do their math homework in silence or with background music. She polled t
he 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
She used systematic sampling by asking the class to vote by using a type voting system this will help by choosing the highest number as the vote she will go through with.
Her box is 12 inches tall. -Because if you multiply 13 × 5, you get 65 (this is the base) then you work backwards and divide 780 by 65 (780 ÷ 65). Therefore your answer is 12 inches
