BIOL 1000 Lecture Notes - Lecture 1: Pressure Measurement, Confidence Interval, Standard DeviationExam
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Table 1. Statistical analysis of the aquatic plant Camboba caroliniana calculated by using the
photosynthetic rates (mL O2 produced/g/hour). In a manometric system, the experimental tubes
contained ~4g of the aquatic plant and some pond water and control tubes only contained pond
water. The experimental tubes (n=4) and control tubes (n=2) were under both white light and
red light for 16 minutes with 2 minute intervals where the oxygen produced (mL O2) was
recorded. The mean represents the average photosynthetic rates, the standard deviation (SD)
indicates the variability and so, how spread apart the data was. The standard error (SE) and the
95% confidence interval (CI) represents the accuracy of how well the sample experimented with
represents its whole population.
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