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Figure 10 :Comparison of subjective responses to LFN between subjects from the experiments I and II – linear regression models with median annoyance rating (dependent variable) versus low frequency Aweighted SPL LLFAeq,T (a), and Cweighted SPL LCeq,T (b). Solid lines and symbols (circles and squares) represent regression models and observed data, respectively (dashed lines – 95% confidence intervals). Linear regression equations with probability P and adjusted R2 values are included in the graph (coefficients in the equations are specified with their standard errors) 
