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 they see on one day in the neighborhood. The data you will see is from a recent bird count in California.

2. Bird Species Counted in California Area NameNumber of volunteers Number of bird species counted Big Sur13136 China lake1584 Death Valley759 Redding18108 Yosemite2358 Yreka9120 Draw this in your notebook, pg:

3. Bird Species Counted in California Area NameNumber of volunteers Number of bird species counted Big Sur13136 China lake1584 Death Valley 759 Redding18108 Yosemite2358 Yreka9120 1)Calculate the average number of species counted per volunteer. How do you do that?

4. Bird Species Counted in California Area NameNumber of volunteers Number of bird species counted Big Sur13136 China lake1584 Death Valley 759 Redding18108 Yosemite2358 Yreka9120 Average85565 1)Calculate the average number of species counted per volunteer. Answer: 6.65 species per volunteer

5. Bird Species Counted in California Area NameNumber of volunteers Number of bird species counted Big Sur13136 China lake1584 Death Valley 759 Redding18108 Yosemite2358 Yreka9120 Average85565 2) Calculate the number of species counted per volunteer for each area. Which area had the highest number of species counted per volunteer?

6. Bird Species Counted in California Area NameNumber of volunteers Number of bird species counted Average per volunteer Big Sur1313610.46 China lake15845.6 Death Valley 7598.43 Redding181086.0 Yosemite23582.52 Yreka912013.3 Average85565 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.