Reda Mazloum

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This paper analyses the spatiotemporal variability of air pollutants in Egypt using monthly averages from the air quality monitoring network from 2011 to 2015. Particulate Matters (PM10) Nitrogen Dioxide (NO2) and Sulfur Dioxide (SO2), measured by the monitoring stations network are studied. A log transformation is applied for the three pollutants to(More)
Odumade and Singh [10] have extended the Warner randomized response model [15] by the use of two decks of cards. In this paper, a new randomized response model based on the use of three decks of cards is proposed as an extension to the Odumade and Singh model [10]. The Cramer-Rao lower bound of the variance of the proposed estimator has been obtained. An(More)
Randomized Response (RR) Technique first introduced by Warner (1965) is a research method intended to measure the behavior, opinions or attitudes of the respondents towards sensitive topics (such as criminal behavior, drug abuse and customary marriage). The RR technique allows respondents to answer sensitive questions while maintaining their privacy through(More)
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