Reference no: EM132371483
Congratulations! You have been accepted to conduct research in a Marine Plant Ecology Lab. Your grant proposal, based on observations that when oysters are present in seagrass beds plants of the species Zostera,pictured above, appear to be shorter in height than in beds without oysters, has been approved. In an effort to test your hypothesis that the difference in height is due to the presence or absence of the oysters, you collect heights from plants in each of two seagrass beds. The measurements are provided below, in centimeters.
Zosterain seagrass beds without oysters (A):
17.2, 17.2, 18.1, 20.2, 20.4, 20.5, 23.1, 24.9, 29.2, 30.3, 32.5
Zosterain seagrass beds with oysters (B):
11.2, 13.3, 15.4, 17.4, 19.2, 20.6, 21.3, 21.3, 23.4, 27.0, 32.1
Calculate the mean averages of the two samples of Zosteraheights, as well as the standard deviations, variances and sample sizes. Use the correct number of significant digits.