Homework Answers
I am not sure about the graph which graph you want to show the whole relationship among X, Y and Z. I am using here venn diagram(It is aslo a graph) to show the relationship.
There are two cases arise to map the problem here:-
Case 1. when Z knows 5 students in class.
Case 2. When Z knows 3 students in class.
If you are exxpecting some other graph, you can ignore the solution. Thank you.
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Suppose the average age (mean) for students in the class is 21 years. What do we know about the distribution of students' ages for this class (e.g., Are they all about 21 years old?)? Explain. Where does that number (21) come from? Explain.
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