Warm Up
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Transcript of Warm Up
![Page 1: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/1.jpg)
Warm Up
1. A bar graph uses ____________________ to represent data.
2. True or false: A circle graph shows how data changes.
3. Draw a graph that represents a flag being raised up a flagpole slowly at the beginning and quickly at the end.
4. Solve .
![Page 2: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/2.jpg)
Lesson 27: Identifying Misleading Representations of Data
Statistics and Probability
![Page 3: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/3.jpg)
•When displaying data, components such as labels or scale can make graphs misleading.• The size of increments in the scale can also make a graph misleading.
![Page 4: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/4.jpg)
Example
• This bar graph shows the houses prices for 2 consecutive years. Explain why it might be misleading.
![Page 5: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/5.jpg)
Example
• Here is the same graph with a revised scale. Is the graph less misleading now?
![Page 6: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/6.jpg)
Example
• Explain why the line graph is misleading.
![Page 7: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/7.jpg)
This graph appeared on FOX News. Why is it misleading? What do you suppose is the purpose for this graph? How would we fix it?
Graph courtesy of http://www.statisticshowto.com/misleading-graphs/
![Page 8: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/8.jpg)
Homework Questions
![Page 9: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/9.jpg)
Correcting Homework
• Be kind
• Hold questions until the end
• Return the paper to its owner if there are more than 3 empty squares.
• Be sure to write “C.B. _____________” with your name.
![Page 10: Warm Up](https://reader036.fdocuments.us/reader036/viewer/2022082818/56813024550346895d95a91c/html5/thumbnails/10.jpg)
Homework
• 1st and 2nd hour: Lesson 27 #1-30
• 3rd hour: Lesson 27 #1-15