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I want to correlate reef health (independent variable) with fish biomass (dependent variable). I have six location and at each location I determined reef health only once, but fish biomass was determined multiple times at each location (let's say 3 replicates). Now I wonder if I can correlate this data with each other, or whether I should average the data on fish biomass?

The raw data would look something like this Reef site - Reef health (%) - Fish biomass (kg/ha)

1 - 20 - 120

2 - 25 - 130

3 - 50 - 310

4 - 10 - 20

5 - 60 - 210

6 - 100- 500

1 - 20 - 80

2 - 25 - 100

3 - 50 - 350

4 - 10 - 20

5 - 60 - 300

6 - 100- 600

1 - 20 - 80

2 - 25 - 80

3 - 50 - 260

4 - 10 - 40

5 - 60 - 460

6 - 100- 710

(Sorry I don't know how to insert a table here.)

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