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ABSTRACT
This study is based on the expected relationship between traffic noise and its effect on human work efficiency in his/her respective working places. From the survey and findings it is evident that road traffic noise affects human work efficiency at Government Offices, Private Organizations, and Commercial Business Centers beside the busy main roads. Collected data were compared with the regression models developed by different sets of independent variables. The hypothesis was also tested using -test in order to examine the goodness of fit between the observed annoyance level and its expected level for each of the three models separately.
