Data Lab, How many birds live near you? Every winter there is a national bird counting event....
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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.
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Transcript of Data Lab, How many birds live near you? Every winter there is a national bird counting event....
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.
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:
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?
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
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?
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.
