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# Mode - Problem 1

###### Alissa Fong

###### Alissa Fong

**MA, Stanford University**

Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

You guys learnt a long time ago how to read bar graphs, but when you start getting into more complicated math you are going to start changing the vocabulary you use.

Use the graph to find the mode shoe size if the 13 students surveyed. Mode is the key word here you probably wouldn’t be able to answer this question if you didn’t remember what mode means. Mode means it’s the number that shows up most often.

So in that case looking at the highest bar the highest bar is 9 for the shoe size. That’s the mode most students surveyed had a shoe size of 9 here it is the highest bar. But what if I were to change this graph a little bit, I’m just going to show you what would happen if that wasn’t the highest bar let’s just say there is only like 1 kid who had a shoe size of 9.

Now I would have what we call a bimodal graph, bi meaning 2 it has two modes. If that bar got changed to this little shorter bar now my mode would have two answers, it would be 6 and 8 because three students had shoe sizes of 6 and 3 also has shoe size 8.

Remember mode is what shows out most often if you are looking at a bar graph it’s the tallest bar.

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###### Alissa Fong

M.A. in Secondary Mathematics, Stanford University

B.S., Stanford University

Alissa has a quirky sense of humor and a relatable personality that make it easy for students to pay attention and understand the material. She has all the math tips and tricks students are looking for.

Your tutorials are good and you have a personality as well. I hope you have more advanced college level stuff, because I like the way you teach.”

Thanks alot for such great lectures... I never found learning this easier ever before... keep up the great work.... :)”

You seem so kind, it's awesome. Easier to learn from people who seem to be rooting for ya!' thanks”

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