Select the correct answer from each drop-down menu. The students in a class were asked how many siblings they have. The data obtained is represented in the dot plot. The number of students who have no siblings is. The number of students who have three or more siblings is.

The correct answer is b, social stratification is needed for a society to exist. marxist theory regarding social stratification is that due to the differing economic capacities among people in society, a natural separation occurs between those that own the means of production and those that sell their labour in the production chain. 

One of the angles would be 70 degrees and the other one would be 90 degrees