THURSDAY: t-test results – leaf area 2019 Below are the results of the two-tailed t-tests for your report. You need to select TWO of these ttests to present and discuss in your report (one comparing changes in CO2 and one comparing changes in light) on leaf area. See the report instructions for more details and information on how to present t-tests in your report. Treatment 1 Ambient CO2, High Light Ambient CO2, Low Light Ambient CO2, Low Light Elevated CO2, Low Light Treatment 2 Elevated CO2, High Light Elevated CO2, Low Light Ambient CO2, High Light Elevated CO2, High Light t df p 4.904250676 198 1.95107 x 10-06 0.875923562 198 0.38213298 5.444875274 198 1.52484 x 10-07 9.526321082 198 5.99567 x 10-18