Figuring out Figures
Storyboard Text
- Unit 4. Data Management FIGURING OUT FIGURESA CONCEPTUAL UNDERSTANDING COMICCREATED BY BREN MARIENE BILLONES
- Hey, Elle! I can't seem to figure out our lesson on Data Management, can you help me?
- Sure! All you have to know are (1) the levels of measurements, (2) mean, (3) median, and lastly (4) mode.
- The levels of measurement are NOMINAL - where attributes have assigned namesORDINAL - attributes are in an orderRATIO - from the absolute zeroINTERVAL - where distance is meaningful
- Got it! What about the mean? I was told that it's just like getting the average, is that right?
- If I have the values 1,1,2,4, and 7; its total is 15? And then I have to divide 15 by the amount of elements in the set?
- You got that one right again! If you divide 15 by 5, you will have a Mean of 3!
- Yes! You just have to add all the values in the set, and then divide the total from the amount of values that you have.
- Cool, I didn't know it was that easy! However, how do I get the median now?
- To get the median, you first have to arrange all the elements in the ascending order. In this case; 1,1,2,4,7 are already ascending. Now look for the value in the middle. If the set has an even number of elements, add the two values in the middle and then average them.
- But since this set has an odd number of elements, I can just find the value that's in the middle. This means that the median is 2!
- Got it! I think I've finally figured out how to manage data or figures! Thanks, Elle!
- Perfect! Now to get the mode, you simply have to find the element that appears most frequently. In this case, your mode is 1! This is because it appears twice, unlike the others which only appear once in the set.
- You're welcome! Goodluck on your Math in the Modern World Exam!
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