Identify the level of measurement ( normal, ordinal, and interval) for the following. 1. Rank a list of cities from the number of population 2. The tee- shirt you wear ( small, medium, large) 3. The sex gender 4. The age of a student in the class 5. The number of people in a designed family 6. An English professor uses letter grades(A, B, C, D and F) to evaluate students essays. 7. The monthly income of a Monroe college employee 8. The color of your hair

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Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.