Biology · Ecology and Environment
Based on the random assessment of four years, the Mean Net Production and Standard Deviation for a grassland are 120 gC/m 2 /year and 4 gC/m 2 /year, respectively. The 90% confidence interval around this estimate (t at 10% level of significance for df 3 is 2.353) is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1120 ± 9.412 gC/m 2 /year
- 2120 ± 2.353 gC/m 2 /year
- 3120 ± 4.706 gC/m 2 /year✓
- 4120 ± 8.613 gC/m 2 /year
Correct answer
120 ± 4.706 gC/m 2 /year
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