DATA COLLECTION

  The data were collected by means of questionnaire. First appointment was conducted with the personal in- charge in each retail store to request cooperation and approval for data collection and survey respond via formal letters from the Department of Mathematical Sciences, Faculty of Science and technology, National University of Malaysia. Field research was conducted … Continue reading “DATA COLLECTION”

 

The data were collected by means of questionnaire. First appointment was conducted with the personal in- charge in each retail store to request cooperation and approval for data collection and survey respond via formal letters from the Department of Mathematical Sciences, Faculty of Science and technology, National University of Malaysia.

Field research was conducted in Tesco Saujana Impian Kajang, Carrefour Alamanda Putrajaya, Giant Bukit Tinggi and Mydin Mart Kajang. A simple random sample of 214 household‟s respondents was obtained from each of the four retail stores; sum up a total of 856 respondents data.

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