Warm-up
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Transcript of Warm-up
![Page 1: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/1.jpg)
Obj: Read and interpret data displayed in a histogram
Warm-up
![Page 2: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/2.jpg)
Obj: Read and interpret data displayed in a histogram
Histograms – 1.4
![Page 3: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/3.jpg)
Objective
• Read and interpret data displayed in a histogram.
Obj: Read and interpret data displayed in a histogram
![Page 4: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/4.jpg)
Obj: Read and interpret data displayed in a histogram
Bar Graphs Vs. Histograms
• Topics vs. numbers• Bars don’t touch vs. bars do touch
![Page 5: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/5.jpg)
Obj: Read and interpret data displayed in a histogram
Definition
• Bin Width – The # you count by on the x-axis.
• Insert pic
![Page 6: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/6.jpg)
Obj: Read and interpret data displayed in a histogram
Example 1• How many values
are in the data set?
• What is the bin width?
• How many trees are under 70 feet high?
• How many trees are between 70 and 80 feet high?
![Page 7: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/7.jpg)
Obj: Read and interpret data displayed in a histogram
Example 2
• Draw a histogram of the data below using 5 bins:
(1, 6, 8, 8, 10, 11, 12, 13, 20, 22, 22, 25)
• Now make a histogram using only 3 bins:
![Page 8: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/8.jpg)
Obj: Read and interpret data displayed in a histogram
Example 3• How many students took
the test?
• How many students scored less than 60%?
• How many students scored over 60% but less than 80%?
![Page 9: Warm-up](https://reader035.fdocuments.us/reader035/viewer/2022081700/56812ac2550346895d8e8f6d/html5/thumbnails/9.jpg)
Obj: Read and interpret data displayed in a histogram
Homework
• 1.4 worksheet• Problems 1, 2, 4a