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.

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.

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.

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.

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.

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.

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.

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.