Data Lab, How many birds live near you? Every winter there is a national bird counting event....
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Transcript of Data Lab, How many birds live near you? Every winter there is a national bird counting event....
![Page 1: Data Lab, How many birds live near you? Every winter there is a national bird counting event. Volunteers from every state count the number of bird species.](https://reader036.fdocuments.us/reader036/viewer/2022082518/56649e5c5503460f94b5425a/html5/thumbnails/1.jpg)
Data Lab, How many birds live near you?
• Every winter there is a national bird counting event. Volunteers from every state count the number of bird species they see on one day in the neighborhood. The data you will see is from a recent bird count in California.
![Page 2: Data Lab, How many birds live near you? Every winter there is a national bird counting event. Volunteers from every state count the number of bird species.](https://reader036.fdocuments.us/reader036/viewer/2022082518/56649e5c5503460f94b5425a/html5/thumbnails/2.jpg)
Bird Species Counted in California
Area Name Number of volunteers
Number of bird species counted
Big Sur 13 136
China lake 15 84
Death Valley 7 59
Redding 18 108
Yosemite 23 58
Yreka 9 120
Draw this in your notebook, pg:
![Page 3: Data Lab, How many birds live near you? Every winter there is a national bird counting event. Volunteers from every state count the number of bird species.](https://reader036.fdocuments.us/reader036/viewer/2022082518/56649e5c5503460f94b5425a/html5/thumbnails/3.jpg)
Bird Species Counted in CaliforniaArea Name Number of
volunteersNumber of bird species counted
Big Sur 13 136
China lake 15 84
Death Valley
7 59
Redding 18 108
Yosemite 23 58
Yreka 9 120
1) Calculate the average number of species counted per volunteer.
How do you do that?
![Page 4: Data Lab, How many birds live near you? Every winter there is a national bird counting event. Volunteers from every state count the number of bird species.](https://reader036.fdocuments.us/reader036/viewer/2022082518/56649e5c5503460f94b5425a/html5/thumbnails/4.jpg)
Bird Species Counted in CaliforniaArea Name Number of
volunteersNumber of bird species counted
Big Sur 13 136
China lake 15 84
Death Valley
7 59
Redding 18 108
Yosemite 23 58
Yreka 9 120
Average 85 565
1) Calculate the average number of species counted per volunteer.
Answer: 6.65 species per volunteer
![Page 5: Data Lab, How many birds live near you? Every winter there is a national bird counting event. Volunteers from every state count the number of bird species.](https://reader036.fdocuments.us/reader036/viewer/2022082518/56649e5c5503460f94b5425a/html5/thumbnails/5.jpg)
Bird Species Counted in CaliforniaArea Name Number of
volunteersNumber of bird species counted
Big Sur 13 136
China lake 15 84
Death Valley
7 59
Redding 18 108
Yosemite 23 58
Yreka 9 120
Average 85 565
2) Calculate the number of species counted per volunteer for each area. Which area had the highest number of species counted per volunteer?
![Page 6: Data Lab, How many birds live near you? Every winter there is a national bird counting event. Volunteers from every state count the number of bird species.](https://reader036.fdocuments.us/reader036/viewer/2022082518/56649e5c5503460f94b5425a/html5/thumbnails/6.jpg)
Bird Species Counted in CaliforniaArea Name Number of
volunteersNumber of bird species counted
Average per volunteer
Big Sur 13 136 10.46
China lake 15 84 5.6
Death Valley
7 59 8.43
Redding 18 108 6.0
Yosemite 23 58 2.52
Yreka 9 120 13.3
Average 85 565
2) Calculate the number of species counted per volunteer for each area. Which area had the highest number of species counted per volunteer?
Answer: Yreka. The volunteers observed the highest number of different species in an equal amount of time and during the same time of day.